1 dnl Autoconf script for GNU Emacs
2 dnl To rebuild the `configure' script from this, execute the command
4 dnl in the directory containing this script.
5 dnl If you changed any AC_DEFINES, also run autoheader.
7 dnl Copyright (C) 1994-1996, 1999-2013 Free Software Foundation, Inc.
9 dnl This file is part of GNU Emacs.
11 dnl GNU Emacs is free software: you can redistribute it and/or modify
12 dnl it under the terms of the GNU General Public License as published by
13 dnl the Free Software Foundation, either version 3 of the License, or
14 dnl (at your option) any later version.
16 dnl GNU Emacs is distributed in the hope that it will be useful,
17 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
18 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 dnl GNU General Public License for more details.
21 dnl You should have received a copy of the GNU General Public License
22 dnl along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
25 AC_INIT(emacs, 24.3.50)
26 dnl This is the documented way to record the args passed to configure,
27 dnl rather than $ac_configure_args.
28 emacs_config_options="$@"
29 AC_CONFIG_HEADER(src/config.h:src/config.in)
30 AC_CONFIG_SRCDIR(src/lisp.h)
31 AC_CONFIG_AUX_DIR(build-aux)
32 dnl Fairly arbitrary, older versions might work too.
33 AM_INIT_AUTOMAKE(1.11)
35 dnl Support for --program-prefix, --program-suffix and
36 dnl --program-transform-name options
39 dnl It is important that variables on the RHS not be expanded here,
40 dnl hence the single quotes. This is per the GNU coding standards, see
41 dnl (autoconf) Installation Directory Variables
42 dnl See also epaths.h below.
43 lispdir='${datadir}/emacs/${version}/lisp'
44 leimdir='${datadir}/emacs/${version}/leim'
45 standardlisppath='${lispdir}:${leimdir}'
46 locallisppath='${datadir}/emacs/${version}/site-lisp:'\
47 '${datadir}/emacs/site-lisp'
48 lisppath='${locallisppath}:${standardlisppath}'
49 etcdir='${datadir}/emacs/${version}/etc'
50 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
51 docdir='${datadir}/emacs/${version}/etc'
52 gamedir='${localstatedir}/games/emacs'
54 dnl Special option to disable the most of other options.
56 [AS_HELP_STRING([--without-all],
57 [omit almost all features and build
58 small executable with minimal dependencies])],
59 with_features=$withval,
62 dnl OPTION_DEFAULT_OFF(NAME, HELP-STRING)
63 dnl Create a new --with option that defaults to being disabled.
64 dnl NAME is the base name of the option. The shell variable with_NAME
65 dnl will be set to either the user's value (if the option is
66 dnl specified; 'yes' for a plain --with-NAME) or to 'no' (if the
67 dnl option is not specified). Note that the shell variable name is
68 dnl constructed as autoconf does, by replacing non-alphanumeric
69 dnl characters with "_".
70 dnl HELP-STRING is the help text for the option.
71 AC_DEFUN([OPTION_DEFAULT_OFF], [dnl
72 AC_ARG_WITH([$1],[AS_HELP_STRING([--with-$1],[$2])],[],[dnl
73 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=no])dnl
76 dnl OPTION_DEFAULT_ON(NAME, HELP-STRING)
77 dnl Create a new --with option that defaults to $enable_features.
78 dnl NAME is the base name of the option. The shell variable with_NAME
79 dnl will be set either to 'no' (for a plain --without-NAME) or to
80 dnl 'yes' (if the option is not specified). Note that the shell
81 dnl variable name is constructed as autoconf does, by replacing
82 dnl non-alphanumeric characters with "_".
83 dnl HELP-STRING is the help text for the option.
84 AC_DEFUN([OPTION_DEFAULT_ON], [dnl
85 AC_ARG_WITH([$1],[AS_HELP_STRING([--without-$1],[$2])],[],[dnl
86 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=$with_features])dnl
89 OPTION_DEFAULT_ON([pop],[don't support POP mail retrieval with movemail])
90 if test "$with_pop" = yes; then
91 AC_DEFINE(MAIL_USE_POP)
93 AH_TEMPLATE(MAIL_USE_POP, [Define to support POP mail retrieval.])dnl
95 OPTION_DEFAULT_OFF([kerberos],[support Kerberos-authenticated POP])
96 if test "$with_kerberos" != no; then
100 [Define to support Kerberos-authenticated POP mail retrieval.])dnl
102 OPTION_DEFAULT_OFF([kerberos5],[support Kerberos version 5 authenticated POP])
103 if test "${with_kerberos5}" != no; then
104 if test "${with_kerberos}" = no; then
108 AC_DEFINE(KERBEROS5, 1, [Define to use Kerberos 5 instead of Kerberos 4.])
111 OPTION_DEFAULT_OFF([hesiod],[support Hesiod to get the POP server host])
112 dnl FIXME hesiod support may not be present, so it seems like an error
113 dnl to define, or at least use, this unconditionally.
114 if test "$with_hesiod" != no; then
115 AC_DEFINE(HESIOD, 1, [Define to support using a Hesiod database to find the POP server.])
118 OPTION_DEFAULT_OFF([mmdf],[support MMDF mailboxes])
119 if test "$with_mmdf" != no; then
120 AC_DEFINE(MAIL_USE_MMDF, 1, [Define to support MMDF mailboxes in movemail.])
123 OPTION_DEFAULT_OFF([mail-unlink],[unlink, rather than empty, mail spool after reading])
124 if test "$with_mail_unlink" != no; then
125 AC_DEFINE(MAIL_UNLINK_SPOOL, 1, [Define to unlink, rather than empty, mail spool after reading.])
128 AC_ARG_WITH([mailhost],[AS_HELP_STRING([--with-mailhost=HOSTNAME],
129 [string giving default POP mail host])],
130 AC_DEFINE_UNQUOTED(MAILHOST, ["$withval"], [String giving fallback POP mail host.]))
132 OPTION_DEFAULT_ON([sound],[don't compile with sound support])
134 dnl FIXME currently it is not the last.
135 dnl This should be the last --with option, because --with-x is
136 dnl added later on when we find the file name of X, and it's best to
137 dnl keep them together visually.
138 AC_ARG_WITH([x-toolkit],[AS_HELP_STRING([--with-x-toolkit=KIT],
139 [use an X toolkit (KIT one of: yes or gtk, gtk2, gtk3, lucid or athena, motif, no)])],
140 [ case "${withval}" in
141 y | ye | yes ) val=gtk ;;
143 l | lu | luc | luci | lucid ) val=lucid ;;
144 a | at | ath | athe | athen | athena ) val=athena ;;
145 m | mo | mot | moti | motif ) val=motif ;;
146 g | gt | gtk ) val=gtk ;;
150 AC_MSG_ERROR([`--with-x-toolkit=$withval' is invalid;
151 this option's value should be `yes', `no', `lucid', `athena', `motif', `gtk',
152 `gtk2' or `gtk3'. `yes' and `gtk' are synonyms.
153 `athena' and `lucid' are synonyms.])
159 OPTION_DEFAULT_OFF([wide-int], [prefer wide Emacs integers (typically 62-bit)])
160 if test "$with_wide_int" = yes; then
161 AC_DEFINE([WIDE_EMACS_INT], 1, [Use long long for EMACS_INT if available.])
164 dnl _ON results in a '--without' option in the --help output, so
165 dnl the help text should refer to "don't compile", etc.
166 OPTION_DEFAULT_ON([xpm],[don't compile with XPM image support])
167 OPTION_DEFAULT_ON([jpeg],[don't compile with JPEG image support])
168 OPTION_DEFAULT_ON([tiff],[don't compile with TIFF image support])
169 OPTION_DEFAULT_ON([gif],[don't compile with GIF image support])
170 OPTION_DEFAULT_ON([png],[don't compile with PNG image support])
171 OPTION_DEFAULT_ON([rsvg],[don't compile with SVG image support])
172 OPTION_DEFAULT_ON([xml2],[don't compile with XML parsing support])
173 OPTION_DEFAULT_ON([imagemagick],[don't compile with ImageMagick image support])
175 OPTION_DEFAULT_ON([xft],[don't use XFT for anti aliased fonts])
176 OPTION_DEFAULT_ON([libotf],[don't use libotf for OpenType font support])
177 OPTION_DEFAULT_ON([m17n-flt],[don't use m17n-flt for text shaping])
179 OPTION_DEFAULT_ON([toolkit-scroll-bars],[don't use Motif or Xaw3d scroll bars])
180 OPTION_DEFAULT_ON([xaw3d],[don't use Xaw3d])
181 OPTION_DEFAULT_ON([xim],[don't use X11 XIM])
182 OPTION_DEFAULT_OFF([ns],[use NeXTstep (Cocoa or GNUstep) windowing system])
183 OPTION_DEFAULT_OFF([w32], [use native MS Windows GUI])
185 OPTION_DEFAULT_ON([gpm],[don't use -lgpm for mouse support on a GNU/Linux console])
186 OPTION_DEFAULT_ON([dbus],[don't compile with D-Bus support])
187 OPTION_DEFAULT_ON([gconf],[don't compile with GConf support])
188 OPTION_DEFAULT_ON([gsettings],[don't compile with GSettings support])
189 OPTION_DEFAULT_ON([selinux],[don't compile with SELinux support])
190 OPTION_DEFAULT_ON([acl],[don't compile with ACL support])
191 OPTION_DEFAULT_ON([gnutls],[don't use -lgnutls for SSL/TLS support])
192 OPTION_DEFAULT_ON([inotify],[don't compile with inotify (file-watch) support])
194 OPTION_DEFAULT_OFF([xwidgets],[enable use of some gtk widgets it Emacs buffers])
196 ## For the times when you want to build Emacs but don't have
197 ## a suitable makeinfo, and can live without the manuals.
198 dnl http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01844.html
199 OPTION_DEFAULT_ON([makeinfo],[don't require makeinfo for building manuals])
201 ## Makefile.in needs the cache file name.
204 ## This is an option because I do not know if all info/man support
205 ## compressed files, nor how to test if they do so.
206 OPTION_DEFAULT_ON([compress-info],[don't compress the installed Info pages])
207 if test $with_compress_info = yes; then
214 AC_ARG_WITH([pkg-config-prog],dnl
215 [AS_HELP_STRING([--with-pkg-config-prog=FILENAME],
216 [file name of pkg-config for finding GTK and librsvg])])
217 if test "X${with_pkg_config_prog}" != X; then
218 if test "${with_pkg_config_prog}" != yes; then
219 PKG_CONFIG="${with_pkg_config_prog}"
224 AC_ARG_WITH([crt-dir],dnl
225 [AS_HELP_STRING([--with-crt-dir=DIR],[directory containing crtn.o etc.
226 The default is /usr/lib, or /usr/lib64 on some platforms.])])
227 CRT_DIR="${with_crt_dir}"
229 AC_ARG_WITH(gameuser,dnl
230 [AS_HELP_STRING([--with-gameuser=USER],[user for shared game score files])])
231 test "X${with_gameuser}" != X && test "${with_gameuser}" != yes \
232 && gameuser="${with_gameuser}"
233 test "X$gameuser" = X && gameuser=games
235 AC_ARG_WITH([gnustep-conf],dnl
236 [AS_HELP_STRING([--with-gnustep-conf=FILENAME],
237 [name of GNUstep.conf; default $GNUSTEP_CONFIG_FILE, or /etc/GNUstep/GNUstep.conf])])
238 test "X${with_gnustep_conf}" != X && test "${with_gnustep_conf}" != yes && \
239 GNUSTEP_CONFIG_FILE="${with_gnustep_conf}"
240 test "X$GNUSTEP_CONFIG_FILE" = "X" && \
241 GNUSTEP_CONFIG_FILE=/etc/GNUstep/GNUstep.conf
243 AC_ARG_ENABLE(ns-self-contained,
244 [AS_HELP_STRING([--disable-ns-self-contained],
245 [disable self contained build under NeXTstep])],
246 EN_NS_SELF_CONTAINED=$enableval,
247 EN_NS_SELF_CONTAINED=yes)
249 AC_ARG_ENABLE(locallisppath,
250 [AS_HELP_STRING([--enable-locallisppath=PATH],
251 [directories Emacs should search for lisp files specific
253 if test "${enableval}" = "no"; then
255 elif test "${enableval}" != "yes"; then
256 locallisppath=${enableval}
259 AC_ARG_ENABLE(checking,
260 [AS_HELP_STRING([--enable-checking@<:@=LIST@:>@],
261 [enable expensive run-time checks. With LIST,
262 enable only specific categories of checks.
263 Categories are: all,yes,no.
264 Flags are: stringbytes, stringoverrun, stringfreelist,
265 xmallocoverrun, conslist, glyphs])],
266 [ac_checking_flags="${enableval}"],[])
267 IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
268 for check in $ac_checking_flags
271 # these set all the flags to specific states
272 yes) ac_enable_checking=1 ;;
273 no) ac_enable_checking= ;
274 ac_gc_check_stringbytes= ;
275 ac_gc_check_string_overrun= ;
276 ac_gc_check_string_free_list= ;
277 ac_xmalloc_overrun= ;
278 ac_gc_check_cons_list= ;
280 all) ac_enable_checking=1 ;
281 ac_gc_check_stringbytes=1 ;
282 ac_gc_check_string_overrun=1 ;
283 ac_gc_check_string_free_list=1 ;
284 ac_xmalloc_overrun=1 ;
285 ac_gc_check_cons_list=1 ;
287 # these enable particular checks
288 stringbytes) ac_gc_check_stringbytes=1 ;;
289 stringoverrun) ac_gc_check_string_overrun=1 ;;
290 stringfreelist) ac_gc_check_string_free_list=1 ;;
291 xmallocoverrun) ac_xmalloc_overrun=1 ;;
292 conslist) ac_gc_check_cons_list=1 ;;
293 glyphs) ac_glyphs_debug=1 ;;
294 *) AC_MSG_ERROR(unknown check category $check) ;;
299 if test x$ac_enable_checking != x ; then
300 AC_DEFINE(ENABLE_CHECKING, 1,
301 [Define to 1 if expensive run-time data type and consistency checks are enabled.])
303 if test x$ac_gc_check_stringbytes != x ; then
304 AC_DEFINE(GC_CHECK_STRING_BYTES, 1,
305 [Define this temporarily to hunt a bug. If defined, the size of
306 strings is redundantly recorded in sdata structures so that it can
307 be compared to the sizes recorded in Lisp strings.])
309 if test x$ac_gc_check_string_overrun != x ; then
310 AC_DEFINE(GC_CHECK_STRING_OVERRUN, 1,
311 [Define this to check for short string overrun.])
313 if test x$ac_gc_check_string_free_list != x ; then
314 AC_DEFINE(GC_CHECK_STRING_FREE_LIST, 1,
315 [Define this to check the string free list.])
317 if test x$ac_xmalloc_overrun != x ; then
318 AC_DEFINE(XMALLOC_OVERRUN_CHECK, 1,
319 [Define this to check for malloc buffer overrun.])
321 if test x$ac_gc_check_cons_list != x ; then
322 AC_DEFINE(GC_CHECK_CONS_LIST, 1,
323 [Define this to check for errors in cons list.])
325 if test x$ac_glyphs_debug != x ; then
326 AC_DEFINE(GLYPH_DEBUG, 1,
327 [Define this to enable glyphs debugging code.])
330 AC_ARG_ENABLE(check-lisp-object-type,
331 [AS_HELP_STRING([--enable-check-lisp-object-type],
332 [enable compile time checks for the Lisp_Object data type.
333 This is useful for development for catching certain types of bugs.])],
334 if test "${enableval}" != "no"; then
335 AC_DEFINE(CHECK_LISP_OBJECT_TYPE, 1,
336 [Define this to enable compile time checks for the Lisp_Object data type.])
340 dnl The name of this option is unfortunate. It predates, and has no
341 dnl relation to, the "sampling-based elisp profiler" added in 24.3.
342 dnl Actually, it stops it working.
343 dnl http://lists.gnu.org/archive/html/emacs-devel/2012-11/msg00393.html
344 AC_ARG_ENABLE(profiling,
345 [AS_HELP_STRING([--enable-profiling],
346 [build emacs with low-level, gprof profiling support.
347 Mainly useful for debugging Emacs itself. May not work on
348 all platforms. Stops profiler.el working.])],
349 [ac_enable_profiling="${enableval}"],[])
350 if test x$ac_enable_profiling != x ; then
351 PROFILING_CFLAGS="-DPROFILING=1 -pg"
355 AC_SUBST(PROFILING_CFLAGS)
357 AC_ARG_ENABLE(autodepend,
358 [AS_HELP_STRING([--enable-autodepend],
359 [automatically generate dependencies to .h-files.
360 Requires GNU Make and Gcc. Enabled if GNU Make and Gcc is
362 [ac_enable_autodepend="${enableval}"],[ac_enable_autodepend=yes])
364 AC_ARG_ENABLE(gtk-deprecation-warnings,
365 [AS_HELP_STRING([--enable-gtk-deprecation-warnings],
366 [Show Gtk+/Gdk deprecation warnings for Gtk+ >= 3.0])],
367 [ac_enable_gtk_deprecation_warnings="${enableval}"],[])
369 #### Make srcdir absolute, if it isn't already. It's important to
370 #### avoid running the file name through pwd unnecessarily, since pwd can
371 #### give you automounter prefixes, which can go away. We do all this
372 #### so Emacs can find its files when run uninstalled.
373 ## Make sure CDPATH doesn't affect cd (in case PWD is relative).
378 ## We may be able to use the $PWD environment variable to make this
379 ## absolute. But sometimes PWD is inaccurate.
380 ## Note: we used to use $PWD at the end instead of `pwd`,
381 ## but that tested only for a well-formed and valid PWD,
382 ## it did not object when PWD was well-formed and valid but just wrong.
383 if test ".$PWD" != "." && test ".`(cd "$PWD" ; sh -c pwd)`" = ".`pwd`" ;
387 srcdir=`(cd "$srcdir"; pwd)`
390 * ) srcdir=`(cd "$srcdir"; pwd)` ;;
393 ### Canonicalize the configuration name.
397 configuration=${host_alias-${build_alias-$host}}
399 dnl This used to use changequote, but, apart from `changequote is evil'
400 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
401 dnl the great gob of text. Thus it's not processed for possible expansion.
402 dnl Just make sure the brackets remain balanced.
404 dnl Since Emacs can't find matching pairs of quotes, boundaries are
405 dnl indicated by comments.
409 ### If you add support for a new configuration, add code to this
410 ### switch statement to recognize your configuration name and select
411 ### the appropriate operating system file.
413 ### You would hope that you could choose an s/*.h
414 ### file based on the operating system portion. However, it turns out
415 ### that each s/*.h file is pretty manufacturer-specific.
416 ### So we basically have to have a special case for each
417 ### configuration name.
419 ### As far as handling version numbers on operating systems is
420 ### concerned, make sure things will fail in a fixable way. If
421 ### /etc/MACHINES doesn't say anything about version numbers, be
422 ### prepared to handle anything reasonably. If version numbers
423 ### matter, be sure /etc/MACHINES says something about it.
426 case "${canonical}" in
428 ## GNU/Linux and similar ports
438 ## FreeBSD kernel + glibc based userland
453 ## Apple Darwin / Mac OS X
455 case "${canonical}" in
462 ## Use fink packages if available.
463 ## FIXME find a better way to do this: http://debbugs.gnu.org/11507
464 ## if test -d /sw/include && test -d /sw/lib; then
465 ## GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
466 ## NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
470 ## HP 9000 series 700 and 800, running HP/UX
474 hppa*-hp-hpux1[1-9]* )
476 CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
480 rs6000-ibm-aix4.[23]* )
483 powerpc-ibm-aix4.[23]* )
486 rs6000-ibm-aix[56]* )
489 powerpc-ibm-aix[56]* )
493 ## Silicon Graphics machines
497 # Without defining _LANGUAGE_C, things get masked out in the headers
498 # so that, for instance, grepping for `free' in stdlib.h fails and
499 # AC_HEADER_STD_C fails. (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
500 NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
505 | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* \
506 | x86_64-*-solaris2* | x86_64-*-sunos5*)
507 case "${canonical}" in
509 amd64-*-*|x86_64-*-*) ;;
513 case "${canonical}" in
514 *-sunos5.6* | *-solaris2.6* )
518 *-sunos5.[7-9]* | *-solaris2.[7-9]* )
520 emacs_check_sunpro_c=yes
522 *-sunos5* | *-solaris* )
524 emacs_check_sunpro_c=yes
527 ## Watch out for a compiler that we know will not work.
528 case "${canonical}" in
529 *-solaris* | *-sunos5* )
530 if [ "x$CC" = x/usr/ucb/cc ]; then
531 ## /usr/ucb/cc doesn't work;
532 ## we should find some other compiler that does work.
540 ## Intel 386 machines where we don't care about the manufacturer.
542 case "${canonical}" in
543 *-cygwin ) opsys=cygwin ;;
544 *-darwin* ) opsys=darwin ;;
545 *-sysv4.2uw* ) opsys=unixware ;;
546 *-sysv5uw* ) opsys=unixware ;;
547 *-sysv5OpenUNIX* ) opsys=unixware ;;
548 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
557 ### If the code above didn't choose an operating system, just choose
558 ### an operating system based on the configuration name. You really
559 ### only want to use this when you have no idea what the right
560 ### operating system is; if you know what operating systems a machine
561 ### runs, it's cleaner to make it explicit in the case statement
563 if test x"${opsys}" = x; then
564 case "${canonical}" in
565 *-gnu* ) opsys=gnu ;;
575 if test $unported = yes; then
576 AC_MSG_ERROR([Emacs hasn't been ported to `${canonical}' systems.
577 Check `etc/MACHINES' for recognized configuration names.])
581 #### Choose a compiler.
583 dnl Sets GCC=yes if using gcc.
587 if test x$GCC = xyes; then
588 test "x$GCC_TEST_OPTIONS" != x && CC="$CC $GCC_TEST_OPTIONS"
590 test "x$NON_GCC_TEST_OPTIONS" != x && CC="$CC $NON_GCC_TEST_OPTIONS"
593 # Avoid gnulib's tests for O_NOATIME and O_NOFOLLOW, as we don't use them.
594 AC_DEFUN([gl_FCNTL_O_FLAGS])
595 # Avoid gnulib's threadlib module, as we do threads our own way.
596 AC_DEFUN([gl_THREADLIB])
598 # Initialize gnulib right after choosing the compiler.
599 dnl Amongst other things, this sets AR and ARFLAGS.
602 # It's helpful to have C macros available to GDB, so prefer -g3 to -g
603 # if -g3 works and the user does not specify CFLAGS.
604 # This test must follow gl_EARLY; otherwise AC_LINK_IFELSE complains.
605 if test "$ac_test_CFLAGS" != set; then
608 emacs_g3_CFLAGS='-g3';;
610 emacs_g3_CFLAGS='-g3 -O2';;
614 if test -n "$emacs_g3_CFLAGS"; then
615 emacs_save_CFLAGS=$CFLAGS
616 CFLAGS=$emacs_g3_CFLAGS
617 AC_CACHE_CHECK([whether $CC accepts $emacs_g3_CFLAGS],
618 [emacs_cv_prog_cc_g3],
619 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
620 [emacs_cv_prog_cc_g3=yes],
621 [emacs_cv_prog_cc_g3=no])])
622 if test $emacs_cv_prog_cc_g3 = yes; then
623 CFLAGS=$emacs_g3_CFLAGS
625 CFLAGS=$emacs_save_CFLAGS
630 AC_ARG_ENABLE([gcc-warnings],
631 [AS_HELP_STRING([--enable-gcc-warnings],
632 [turn on lots of GCC warnings. This is intended for
633 developers, and may generate false alarms when used
634 with older or non-GNU development tools.])],
637 *) AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;;
639 gl_gcc_warnings=$enableval],
643 AC_ARG_ENABLE(link-time-optimization,
644 [AS_HELP_STRING([--enable-link-time-optimization],
645 [build emacs with link-time optimization.
646 This is supported only for GCC since 4.5.0.])],
647 if test "${enableval}" != "no"; then
648 AC_MSG_CHECKING([whether link-time optimization is supported])
650 if test x$GCC = xyes; then
651 CPUS=`getconf _NPROCESSORS_ONLN 2>/dev/null`
652 if test x$CPUS != x; then
658 CFLAGS="$CFLAGS $LTO"
659 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
660 [ac_lto_supported=yes], [ac_lto_supported=no])
663 AC_MSG_RESULT([$ac_lto_supported])
664 if test "$ac_lto_supported" = "yes"; then
665 CFLAGS="$CFLAGS $LTO"
669 # gl_GCC_VERSION_IFELSE([major], [minor], [run-if-found], [run-if-not-found])
670 # ------------------------------------------------
671 # If $CPP is gcc-MAJOR.MINOR or newer, then run RUN-IF-FOUND.
672 # Otherwise, run RUN-IF-NOT-FOUND.
673 AC_DEFUN([gl_GCC_VERSION_IFELSE],
677 #if ($1) < __GNUC__ || (($1) == __GNUC__ && ($2) <= __GNUC_MINOR__)
680 # error "your version of gcc is older than $1.$2"
687 # When compiling with GCC, prefer -isystem to -I when including system
688 # include files, to avoid generating useless diagnostics for the files.
689 if test "$gl_gcc_warnings" != yes; then
694 # This, $nw, is the list of warnings we disable.
697 case $with_x_toolkit in
698 lucid | athena | motif)
699 # Old toolkits mishandle 'const'.
700 nw="$nw -Wwrite-strings"
703 gl_WARN_ADD([-Werror], [WERROR_CFLAGS])
706 AC_SUBST([WERROR_CFLAGS])
708 nw="$nw -Waggregate-return" # anachronistic
709 nw="$nw -Wlong-long" # C90 is anachronistic
710 nw="$nw -Wc++-compat" # We don't care about C++ compilers
711 nw="$nw -Wundef" # Warns on '#if GNULIB_FOO' etc in gnulib
712 nw="$nw -Wtraditional" # Warns on #elif which we use often
713 nw="$nw -Wcast-qual" # Too many warnings for now
714 nw="$nw -Wconversion" # Too many warnings for now
715 nw="$nw -Wsystem-headers" # Don't let system headers trigger warnings
716 nw="$nw -Wsign-conversion" # Too many warnings for now
717 nw="$nw -Woverlength-strings" # Not a problem these days
718 nw="$nw -Wtraditional-conversion" # Too many warnings for now
719 nw="$nw -Wunreachable-code" # so buggy that it's now silently ignored
720 nw="$nw -Wpadded" # Our structs are not padded
721 nw="$nw -Wredundant-decls" # we regularly (re)declare functions
722 nw="$nw -Wlogical-op" # any use of fwrite provokes this
723 nw="$nw -Wformat-nonliteral" # we do this a lot
724 nw="$nw -Wvla" # warnings in gettext.h
725 nw="$nw -Wnested-externs" # use of XARGMATCH/verify_function__
726 nw="$nw -Wswitch-enum" # Too many warnings for now
727 nw="$nw -Wswitch-default" # Too many warnings for now
728 nw="$nw -Wfloat-equal" # warns about high-quality code
729 nw="$nw -Winline" # OK to ignore 'inline'
730 nw="$nw -Wjump-misses-init" # We sometimes safely jump over init.
731 nw="$nw -Wstrict-overflow" # OK to optimize assuming that
732 # signed overflow has undefined behavior
733 nw="$nw -Wsync-nand" # irrelevant here, and provokes ObjC warning
734 nw="$nw -Wunsafe-loop-optimizations" # OK to suppress unsafe optimizations
736 # Emacs doesn't care about shadowing; see
737 # <http://lists.gnu.org/archive/html/emacs-diffs/2011-11/msg00265.html>.
740 # Emacs's use of alloca inhibits protecting the stack.
741 nw="$nw -Wstack-protector"
743 # The following line should be removable at some point.
744 nw="$nw -Wsuggest-attribute=pure"
746 gl_MANYWARN_ALL_GCC([ws])
747 gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw])
751 gl_WARN_ADD([-Wno-missing-field-initializers]) # We need this one
752 gl_WARN_ADD([-Wno-sign-compare]) # Too many warnings for now
753 gl_WARN_ADD([-Wno-type-limits]) # Too many warnings for now
754 gl_WARN_ADD([-Wno-switch]) # Too many warnings for now
755 gl_WARN_ADD([-Wno-unused-parameter]) # Too many warnings for now
756 gl_WARN_ADD([-Wno-format-nonliteral])
758 # In spite of excluding -Wlogical-op above, it is enabled, as of
759 # gcc 4.5.0 20090517.
760 gl_WARN_ADD([-Wno-logical-op])
762 gl_WARN_ADD([-fdiagnostics-show-option])
763 gl_WARN_ADD([-funit-at-a-time])
765 AC_DEFINE([lint], [1], [Define to 1 if the compiler is checking for lint.])
766 AH_VERBATIM([FORTIFY_SOURCE],
767 [/* Enable compile-time and run-time bounds-checking, and some warnings,
768 without upsetting glibc 2.15+. */
769 #if !defined _FORTIFY_SOURCE && defined __OPTIMIZE__ && __OPTIMIZE__
770 # define _FORTIFY_SOURCE 2
773 AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks])
775 # We use a slightly smaller set of warning options for lib/.
776 # Remove the following and save the result in GNULIB_WARN_CFLAGS.
778 nw="$nw -Wunused-macros"
780 gl_MANYWARN_COMPLEMENT([GNULIB_WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
781 AC_SUBST([GNULIB_WARN_CFLAGS])
786 dnl Some other nice autoconf tests.
787 dnl These are commented out, since gl_EARLY and/or Autoconf already does them.
790 dnl if test "x$RANLIB" = x; then
795 AC_PATH_PROG(INSTALL_INFO, install-info, :,
796 $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
797 dnl Don't use GZIP, which is used by gzip for additional parameters.
798 AC_PATH_PROG(GZIP_PROG, gzip)
800 if test $opsys = gnu-linux; then
801 AC_PATH_PROG(PAXCTL, paxctl,,
802 [$PATH$PATH_SEPARATOR/sbin$PATH_SEPARATOR/usr/sbin])
803 if test "X$PAXCTL" != X; then
804 AC_MSG_CHECKING([whether binaries have a PT_PAX_FLAGS header])
805 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
806 [if $PAXCTL -v conftest$EXEEXT >/dev/null 2>&1; then AC_MSG_RESULT(yes)
807 else AC_MSG_RESULT(no); PAXCTL=""; fi])
811 ## Need makeinfo >= 4.7 (?) to build the manuals.
812 AC_PATH_PROG(MAKEINFO, makeinfo, no)
813 dnl By this stage, configure has already checked for egrep and set EGREP,
814 dnl or exited with an error if no egrep was found.
815 if test "$MAKEINFO" != "no"; then
817 $MAKEINFO --version 2> /dev/null |
818 $EGREP 'texinfo[[^0-9]]*([[1-4]][[0-9]]+|[[5-9]]|4\.[[7-9]]|4\.[[1-6]][[0-9]]+)'
824 ## Makeinfo is unusual. For a released Emacs, the manuals are
825 ## pre-built, and not deleted by the normal clean rules. makeinfo is
826 ## therefore in the category of "special tools" not normally required, which
827 ## configure does not have to check for (eg autoconf itself).
828 ## In a Bazaar checkout on the other hand, the manuals are not included.
829 ## So makeinfo is a requirement to build from Bazaar, and configure
830 ## should test for it as it does for any other build requirement.
831 ## We use the presence of $srcdir/info/emacs to distinguish a release,
832 ## with pre-built manuals, from a Bazaar checkout.
835 if test "$MAKEINFO" = "no"; then
837 if test "x${with_makeinfo}" = "xno"; then
839 elif test ! -e "$srcdir/info/emacs" && test ! -e "$srcdir/info/emacs.info"; then
840 AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.7, and your
841 source tree does not seem to have pre-built manuals in the `info' directory.
842 Either install a suitable version of makeinfo, or re-run configure
843 with the `--without-makeinfo' option to build without the manuals.] )
846 AC_SUBST(HAVE_MAKEINFO)
848 dnl Just so that there is only a single place we need to edit.
854 dnl Add our options to ac_link now, after it is set up.
856 if test x$GCC = xyes; then
857 test "x$GCC_LINK_TEST_OPTIONS" != x && \
858 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
860 test "x$NON_GCC_LINK_TEST_OPTIONS" != x && \
861 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
864 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
865 dnl If we can link with the flag, it shouldn't do any harm anyhow.
866 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
867 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
868 dnl if not built to support GNU ld.
870 late_LDFLAGS=$LDFLAGS
871 if test x$GCC = xyes; then
872 LDFLAGS="$LDFLAGS -Wl,-znocombreloc"
874 LDFLAGS="$LDFLAGS -znocombreloc"
877 AC_MSG_CHECKING([for -znocombreloc])
878 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
879 [AC_MSG_RESULT(yes)],
880 LDFLAGS=$late_LDFLAGS
884 dnl The function dump-emacs will not be defined and temacs will do
885 dnl (load "loadup") automatically unless told otherwise.
886 test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no
888 your-opsys-here) CANNOT_DUMP=yes ;;
891 test "$CANNOT_DUMP" = "yes" && \
892 AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.])
894 AC_SUBST(CANNOT_DUMP)
899 # MSDOS uses unexcoff.o
900 # MSWindows uses unexw32.o
908 UNEXEC_OBJ=unexmacosx.o
911 UNEXEC_OBJ=unexhp9k800.o
914 # Use the Solaris dldump() function, called from unexsol.c, to dump
915 # emacs, instead of the generic ELF dump code found in unexelf.c.
916 # The resulting binary has a complete symbol table, and is better
917 # for debugging and other observability tools (debuggers, pstack, etc).
919 # If you encounter a problem using dldump(), please consider sending
920 # a message to the OpenSolaris tools-linking mailing list:
921 # http://mail.opensolaris.org/mailman/listinfo/tools-linking
923 # It is likely that dldump() works with older Solaris too, but this has
924 # not been tested, so for now this change is for Solaris 10 or newer.
932 ## Let `ld' find image libs and similar things in /usr/local/lib.
933 ## The system compiler, GCC, has apparently been modified to not
934 ## look there, contrary to what a stock GCC would do.
935 ### It's not our place to do this. See bug#10313#17.
936 ### LD_SWITCH_SYSTEM=-L/usr/local/lib
941 ## cpp test was "ifdef __mips__", but presumably this is equivalent...
942 case $host_cpu in mips*) LD_SWITCH_SYSTEM="-G 0";; esac
946 ### It's not our place to do this. See bug#10313#17.
947 ### LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib"
952 ## Han Boetes <han@mijncomputer.nl> says this is necessary,
953 ## otherwise Emacs dumps core on elf systems.
954 LD_SWITCH_SYSTEM="-Z"
957 AC_SUBST(LD_SWITCH_SYSTEM)
959 ac_link="$ac_link $LD_SWITCH_SYSTEM"
961 ## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_RPATH,
962 ## which has not been defined yet. When this was handled with cpp,
963 ## it was expanded to null when configure sourced the s/*.h file.
964 ## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles.
965 ## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS
966 ## (or somesuch), but because it is supposed to go at the _front_
967 ## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way.
968 ## Compare with the gnu-linux case below, which added to the end
969 ## of LD_SWITCH_SYSTEM, and so can instead go at the front of
970 ## LD_SWITCH_SYSTEM_TEMACS.
973 LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_RPATH) $LD_SWITCH_SYSTEM" ;;
980 AC_CHECK_DECL([__ELF__])
981 if test "$ac_cv_have_decl___ELF__" = "yes"; then
982 ## With ELF, make sure that all common symbols get allocated to in the
983 ## data section. Otherwise, the dump of temacs may miss variables in
984 ## the shared library that have been initialized. For example, with
985 ## GNU libc, __malloc_initialized would normally be resolved to the
986 ## shared library's .bss section, which is fatal.
987 if test "x$GCC" = "xyes"; then
988 C_SWITCH_MACHINE="-fno-common"
990 AC_MSG_ERROR([What gives? Fix me if DEC Unix supports ELF now.])
993 UNEXEC_OBJ=unexalpha.o
997 AC_SUBST(C_SWITCH_MACHINE)
1002 ## Some programs in src produce warnings saying certain subprograms
1003 ## are too complex and need a MAXMEM value greater than 2000 for
1004 ## additional optimization. --nils@exp-math.uni-essen.de
1005 test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \
1006 C_SWITCH_SYSTEM="-ma -qmaxmem=4000"
1007 ## gnu-linux might need -D_BSD_SOURCE on old libc5 systems.
1008 ## It is redundant in glibc2, since we define _GNU_SOURCE.
1009 AC_SUBST(C_SWITCH_SYSTEM)
1014 ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2.
1015 aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;;
1017 freebsd) LIBS_SYSTEM="-lutil" ;;
1019 hpux*) LIBS_SYSTEM="-l:libdld.sl" ;;
1021 sol2*) LIBS_SYSTEM="-lsocket -lnsl" ;;
1023 ## Motif needs -lgen.
1024 unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;;
1026 AC_SUBST(LIBS_SYSTEM)
1029 ### Make sure subsequent tests use flags consistent with the build flags.
1031 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1032 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1034 CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
1037 # Suppress obsolescent Autoconf test for size_t; Emacs assumes C89 or better.
1038 AC_DEFUN([AC_TYPE_SIZE_T])
1039 # Likewise for obsolescent test for uid_t, gid_t; Emacs assumes them.
1040 AC_DEFUN([AC_TYPE_UID_T])
1046 dnl Current possibilities handled by sed (aix4-2 -> aix,
1047 dnl gnu-linux -> gnu/linux, etc.):
1048 dnl gnu, gnu/linux, gnu/kfreebsd, aix, cygwin, darwin, hpux, irix.
1049 dnl And special cases: berkeley-unix, usg-unix-v, ms-dos, windows-nt.
1050 SYSTEM_TYPE=`echo $opsys | sed -e 's/[[0-9]].*//' -e 's|-|/|'`
1052 dnl NB do not use CRT_DIR unquoted here, since it might not be set yet.
1056 START_FILES='pre-crt0.o'
1059 ## Adding -lm confuses the dynamic linker, so omit it.
1061 START_FILES='pre-crt0.o'
1064 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtn.o'
1065 START_FILES='pre-crt0.o $(CRT_DIR)/crt1.o $(CRT_DIR)/crti.o'
1066 SYSTEM_TYPE=berkeley-unix
1068 gnu-linux | gnu-kfreebsd )
1069 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtn.o'
1070 START_FILES='pre-crt0.o $(CRT_DIR)/crt1.o $(CRT_DIR)/crti.o'
1072 hpux10-20 | hpux11 )
1074 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o'
1076 dnl NB this may be adjusted below.
1078 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o'
1079 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o $(CRT_DIR)/crtbegin.o'
1080 SYSTEM_TYPE=berkeley-unix
1084 SYSTEM_TYPE=usg-unix-v
1090 AC_SUBST(START_FILES)
1091 AC_DEFINE_UNQUOTED(SYSTEM_TYPE, "$SYSTEM_TYPE",
1092 [The type of system you are compiling for; sets `system-type'.])
1094 dnl Not all platforms use crtn.o files. Check if the current one does.
1097 for file in x $LIB_STANDARD $START_FILES; do
1099 *CRT_DIR*) crt_files="$crt_files `echo $file | sed -e 's|.*/||'`" ;;
1103 if test "x$crt_files" != x; then
1105 ## If user specified a crt-dir, use that unconditionally.
1108 if test "X$CRT_DIR" = "X"; then
1110 CRT_DIR=/usr/lib # default
1112 case "$canonical" in
1113 x86_64-*-linux-gnu* | s390x-*-linux-gnu*)
1114 ## On x86-64 and s390x GNU/Linux distributions, the standard library
1115 ## can be in a variety of places. We only try /usr/lib64 and /usr/lib.
1116 ## For anything else (eg /usr/lib32), it is up the user to specify
1117 ## the location (bug#5655).
1118 ## Test for crtn.o, not just the directory, because sometimes the
1119 ## directory exists but does not have the relevant files (bug#1287).
1120 ## FIXME better to test for binary compatibility somehow.
1121 test -e /usr/lib64/crtn.o && CRT_DIR=/usr/lib64
1124 powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*) CRT_DIR=/usr/lib64 ;;
1128 hpux10-20) CRT_DIR=/lib ;;
1131 test "x${GCC}" = xyes && crt_gcc=yes
1137 for file in $crt_files; do
1139 ## If we're using gcc, try to determine it automatically by asking
1140 ## gcc. [If this doesn't work, CRT_DIR will remain at the
1141 ## system-dependent default from above.]
1142 if test $crt_gcc = yes && test ! -e $CRT_DIR/$file; then
1144 crt_file=`$CC --print-file-name=$file 2>/dev/null`
1147 CRT_DIR=`AS_DIRNAME(["$crt_file"])`
1152 dnl We expect all the files to be in a single directory, so after the
1153 dnl first there is no point asking gcc.
1156 test -e $CRT_DIR/$file || crt_missing="$crt_missing $file"
1159 test "x$crt_missing" = x || \
1160 AC_MSG_ERROR([Required file(s) not found:$crt_missing
1161 Try using the --with-crt-dir option.])
1163 fi # crt_files != ""
1169 if test -f $CRT_DIR/crti.o; then
1171 test -f $CRT_DIR/crtn.o || \
1172 AC_MSG_ERROR([Required file not found: crtn.o])
1174 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o $(CRT_DIR)/crtn.o'
1175 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o $(CRT_DIR)/crti.o $(CRT_DIR)/crtbegin.o'
1181 pre_PKG_CONFIG_CFLAGS=$CFLAGS
1182 pre_PKG_CONFIG_LIBS=$LIBS
1184 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1186 dnl This function definition taken from Gnome 2.0
1187 dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
1188 dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
1189 dnl also defines GSTUFF_PKG_ERRORS on error
1190 AC_DEFUN([PKG_CHECK_MODULES], [
1193 if test "$PKG_CONFIG" = "no" ; then
1194 ifelse([$4], , [AC_MSG_ERROR([
1195 *** The pkg-config script could not be found. Make sure it is in your path, or give the full name of pkg-config with the PKG_CONFIG environment variable or --with-pkg-config-prog. Or see http://www.freedesktop.org/software/pkgconfig to get pkg-config.])], [$4])
1197 PKG_CONFIG_MIN_VERSION=0.9.0
1198 if "$PKG_CONFIG" --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
1199 AC_MSG_CHECKING(for $2)
1201 if "$PKG_CONFIG" --exists "$2" 2>&AS_MESSAGE_LOG_FD &&
1202 $1_CFLAGS=`"$PKG_CONFIG" --cflags "$2" 2>&AS_MESSAGE_LOG_FD` &&
1203 $1_LIBS=`"$PKG_CONFIG" --libs "$2" 2>&AS_MESSAGE_LOG_FD`; then
1210 $1_CFLAGS=`AS_ECHO(["$$1_CFLAGS"]) | sed -e "$edit_cflags"`
1211 $1_LIBS=`AS_ECHO(["$$1_LIBS"]) | sed -e 's,///*,/,g'`
1212 AC_MSG_RESULT([yes CFLAGS='$$1_CFLAGS' LIBS='$$1_LIBS'])
1218 ## If we have a custom action on failure, don't print errors, but
1219 ## do set a variable so people can do so. Do it in a subshell
1220 ## to capture any diagnostics in invoking pkg-config.
1221 $1_PKG_ERRORS=`("$PKG_CONFIG" --print-errors "$2") 2>&1`
1222 ifelse([$4], ,echo "$$1_PKG_ERRORS",)
1228 echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
1229 echo "*** See http://www.freedesktop.org/software/pkgconfig"
1233 if test $succeeded = yes; then
1234 ifelse([$3], , :, [$3])
1236 ifelse([$4], , [AC_MSG_ERROR([Library requirements ($2) not met; consider adjusting the PKG_CONFIG_PATH environment variable if your libraries are in a nonstandard prefix so pkg-config can find them.])], [$4])
1241 if test "${with_sound}" != "no"; then
1242 # Sound support for GNU/Linux and the free BSDs.
1243 AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h soundcard.h,
1244 have_sound_header=yes)
1245 # Emulation library used on NetBSD.
1246 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1250 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1251 PKG_CHECK_MODULES(ALSA, $ALSA_MODULES, HAVE_ALSA=yes, HAVE_ALSA=no)
1252 if test $HAVE_ALSA = yes; then
1253 SAVE_CFLAGS="$CFLAGS"
1255 CFLAGS="$ALSA_CFLAGS $CFLAGS"
1256 LIBS="$ALSA_LIBS $LIBS"
1257 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <asoundlib.h>]], [[snd_lib_error_set_handler (0);]])],
1258 emacs_alsa_normal=yes,
1259 emacs_alsa_normal=no)
1260 if test "$emacs_alsa_normal" != yes; then
1261 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <alsa/asoundlib.h>]],
1262 [[snd_lib_error_set_handler (0);]])],
1263 emacs_alsa_subdir=yes,
1264 emacs_alsa_subdir=no)
1265 if test "$emacs_alsa_subdir" != yes; then
1266 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
1268 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1271 CFLAGS="$SAVE_CFLAGS"
1273 LIBSOUND="$LIBSOUND $ALSA_LIBS"
1274 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1275 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1278 dnl Define HAVE_SOUND if we have sound support. We know it works and
1279 dnl compiles only on the specified platforms. For others, it
1280 dnl probably doesn't make sense to try.
1281 if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then
1283 dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
1284 gnu-linux|freebsd|netbsd)
1285 AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.])
1290 AC_SUBST(CFLAGS_SOUND)
1293 dnl checks for header files
1294 AC_CHECK_HEADERS_ONCE(
1295 linux/version.h sys/systeminfo.h
1297 sys/vlimit.h sys/resource.h
1298 sys/utsname.h pwd.h utmp.h util.h)
1300 AC_MSG_CHECKING(if personality LINUX32 can be set)
1301 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/personality.h>]], [[personality (PER_LINUX32)]])],
1302 emacs_cv_personality_linux32=yes,
1303 emacs_cv_personality_linux32=no)
1304 AC_MSG_RESULT($emacs_cv_personality_linux32)
1306 if test $emacs_cv_personality_linux32 = yes; then
1307 AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1308 [Define to 1 if personality LINUX32 can be set.])
1311 dnl On Solaris 8 there's a compilation warning for term.h because
1312 dnl it doesn't define `bool'.
1313 AC_CHECK_HEADERS(term.h, , , -)
1315 AC_CHECK_DECLS([sys_siglist], [], [], [[#include <signal.h>
1317 if test $ac_cv_have_decl_sys_siglist != yes; then
1318 # For Tru64, at least:
1319 AC_CHECK_DECLS([__sys_siglist], [], [], [[#include <signal.h>
1321 if test $ac_cv_have_decl___sys_siglist = yes; then
1322 AC_DEFINE(sys_siglist, __sys_siglist,
1323 [Define to any substitute for sys_siglist.])
1328 dnl Check for speed_t typedef.
1329 AC_CACHE_CHECK(for speed_t, emacs_cv_speed_t,
1330 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <termios.h>]], [[speed_t x = 1;]])],
1331 emacs_cv_speed_t=yes, emacs_cv_speed_t=no)])
1332 if test $emacs_cv_speed_t = yes; then
1333 AC_DEFINE(HAVE_SPEED_T, 1,
1334 [Define to 1 if `speed_t' is declared by <termios.h>.])
1337 AC_CHECK_HEADERS_ONCE(sys/socket.h)
1338 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1339 #if HAVE_SYS_SOCKET_H
1340 #include <sys/socket.h>
1342 AC_CHECK_HEADERS(ifaddrs.h, , , [AC_INCLUDES_DEFAULT
1343 #if HAVE_SYS_SOCKET_H
1344 #include <sys/socket.h>
1346 AC_CHECK_HEADERS(net/if_dl.h, , , [AC_INCLUDES_DEFAULT
1347 #if HAVE_SYS_SOCKET_H
1348 #include <sys/socket.h>
1351 dnl checks for structure members
1352 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1353 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1354 struct ifreq.ifr_addr,
1355 struct ifreq.ifr_addr.sa_len], , ,
1356 [AC_INCLUDES_DEFAULT
1357 #if HAVE_SYS_SOCKET_H
1358 #include <sys/socket.h>
1364 dnl Check for endianness.
1365 dnl AC_C_BIGENDIAN is done by gnulib.
1367 dnl check for Make feature
1368 dnl AC_PROG_MAKE_SET is done by Automake.
1373 dnl check for GNU Make if we have GCC and autodepend is on.
1374 if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
1375 AC_MSG_CHECKING([whether we are using GNU Make])
1377 testval=`${MAKE-make} --version 2>/dev/null | grep 'GNU Make'`
1378 if test "x$testval" != x; then
1381 ac_enable_autodepend=no
1383 AC_MSG_RESULT([$HAVE_GNU_MAKE])
1384 if test $HAVE_GNU_MAKE = yes; then
1385 AC_MSG_CHECKING([whether gcc understands -MMD -MF])
1386 SAVE_CFLAGS="$CFLAGS"
1387 CFLAGS="$CFLAGS -MMD -MF deps.d -MP"
1388 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no)
1389 CFLAGS="$SAVE_CFLAGS"
1390 test -f deps.d || ac_enable_autodepend=no
1392 AC_MSG_RESULT([$ac_enable_autodepend])
1394 if test $ac_enable_autodepend = yes; then
1395 DEPFLAGS='-MMD -MF ${DEPDIR}/$*.d -MP'
1396 ## MKDIR_P is documented (see AC_PROG_MKDIR_P) to be parallel-safe.
1397 MKDEPDIR='${MKDIR_P} ${DEPDIR}'
1398 deps_frag=autodeps.mk
1401 deps_frag=$srcdir/src/$deps_frag
1404 AC_SUBST_FILE(deps_frag)
1407 lisp_frag=$srcdir/src/lisp.mk
1408 AC_SUBST_FILE(lisp_frag)
1411 dnl checks for operating system services
1412 AC_SYS_LONG_FILE_NAMES
1414 #### Choose a window system.
1416 ## We leave window_system equal to none if
1417 ## we end up building without one. Any new window system should
1418 ## set window_system to an appropriate value and add objects to
1419 ## window-system-specific substs.
1423 if test "$no_x" != yes; then
1427 LD_SWITCH_X_SITE_RPATH=
1428 if test "${x_libraries}" != NONE; then
1429 if test -n "${x_libraries}"; then
1430 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1431 LD_SWITCH_X_SITE_RPATH=-Wl,-rpath,`echo ${x_libraries} | sed -e "s/:/ -Wl,-rpath,/g"`
1433 x_default_search_path=""
1434 x_search_path=${x_libraries}
1435 if test -z "${x_search_path}"; then
1436 x_search_path=/usr/lib
1438 for x_library in `echo ${x_search_path}: | \
1439 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1441 ${x_library}/X11/%L/%T/%N%C%S:\
1442 ${x_library}/X11/%l/%T/%N%C%S:\
1443 ${x_library}/X11/%T/%N%C%S:\
1444 ${x_library}/X11/%L/%T/%N%S:\
1445 ${x_library}/X11/%l/%T/%N%S:\
1446 ${x_library}/X11/%T/%N%S"
1447 if test x"${x_default_search_path}" = x; then
1448 x_default_search_path=${x_search_path}
1450 x_default_search_path="${x_search_path}:${x_default_search_path}"
1454 AC_SUBST(LD_SWITCH_X_SITE_RPATH)
1456 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1457 C_SWITCH_X_SITE="$isystem"`echo ${x_includes} | sed -e "s/:/ $isystem/g"`
1460 if test x"${x_includes}" = x; then
1461 bitmapdir=/usr/include/X11/bitmaps
1463 # accumulate include directories that have X11 bitmap subdirectories
1465 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1466 if test -d "${bmd}/X11/bitmaps"; then
1467 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1469 if test -d "${bmd}/bitmaps"; then
1470 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1473 if test ${bmd_acc} != "dummyval"; then
1474 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1481 tmp_CPPFLAGS="$CPPFLAGS"
1482 tmp_CFLAGS="$CFLAGS"
1483 CPPFLAGS="$CPPFLAGS -x objective-c"
1484 CFLAGS="$CFLAGS -x objective-c"
1487 if test "${with_ns}" != no; then
1488 if test "${opsys}" = darwin; then
1490 ns_appdir=`pwd`/nextstep/Emacs.app
1491 ns_appbindir=${ns_appdir}/Contents/MacOS
1492 ns_appresdir=${ns_appdir}/Contents/Resources
1493 ns_appsrc=Cocoa/Emacs.base
1494 elif test -f $GNUSTEP_CONFIG_FILE; then
1496 ns_appdir=`pwd`/nextstep/Emacs.app
1497 ns_appbindir=${ns_appdir}
1498 ns_appresdir=${ns_appdir}/Resources
1499 ns_appsrc=GNUstep/Emacs.base
1500 dnl FIXME sourcing this several times in subshells seems inefficient.
1501 GNUSTEP_SYSTEM_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_HEADERS)"
1502 GNUSTEP_SYSTEM_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_LIBRARIES)"
1503 dnl I seemed to need these as well with GNUstep-startup 0.25.
1504 GNUSTEP_LOCAL_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_HEADERS)"
1505 GNUSTEP_LOCAL_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_LIBRARIES)"
1506 test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \
1507 GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}"
1508 test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \
1509 GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
1510 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1511 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1512 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
1513 LIBS_GNUSTEP="-lgnustep-gui -lgnustep-base -lobjc -lpthread"
1516 dnl GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS to 0 or 1.
1517 dnl If they had chosen to either define it or not, we could have
1518 dnl just used AC_CHECK_DECL here.
1519 AC_CACHE_CHECK(if GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS,
1520 emacs_cv_objc_exceptions,
1521 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <GNUstepBase/GSConfig.h>]],
1522 [[#if defined BASE_NATIVE_OBJC_EXCEPTIONS && BASE_NATIVE_OBJC_EXCEPTIONS > 0
1526 #endif]])], emacs_cv_objc_exceptions=yes, emacs_cv_objc_exceptions=no ) )
1527 if test $emacs_cv_objc_exceptions = yes; then
1528 dnl _NATIVE_OBJC_EXCEPTIONS is used by the GNUstep headers.
1529 AC_DEFINE(_NATIVE_OBJC_EXCEPTIONS, 1,
1530 [Define if GNUstep uses ObjC exceptions.])
1531 GNU_OBJC_CFLAGS="-fobjc-exceptions"
1535 dnl This is only used while we test the NS headers, it gets reset below.
1536 CFLAGS="$CFLAGS $GNU_OBJC_CFLAGS"
1538 AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1539 [AC_MSG_ERROR([`--with-ns' was specified, but the include
1540 files are missing or cannot be compiled.])])
1542 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <AppKit/AppKit.h>],
1544 #ifdef MAC_OS_X_VERSION_MAX_ALLOWED
1545 #if MAC_OS_X_VERSION_MAX_ALLOWED >= 1040
1548 #error "OSX 10.4 or newer required"
1552 ns_osx_have_104=yes,
1554 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <Foundation/NSObjCRuntime.h>],
1556 ns_have_nsinteger=yes,
1557 ns_have_nsinteger=no)
1558 if test $ns_osx_have_104 = no; then
1559 AC_MSG_ERROR([`OSX 10.4 or newer is required']);
1561 if test $ns_have_nsinteger = yes; then
1562 AC_DEFINE(NS_HAVE_NSINTEGER, 1, [Define to 1 if `NSInteger' is defined.])
1566 AC_SUBST(LIBS_GNUSTEP)
1568 INSTALL_ARCH_INDEP_EXTRA=install-etc
1569 ns_self_contained=no
1572 if test "${HAVE_NS}" = yes; then
1573 if test "$with_toolkit_scroll_bars" = "no"; then
1574 AC_MSG_ERROR([Non-toolkit scroll bars are not implemented for Nextstep.])
1577 window_system=nextstep
1578 # set up packaging dirs
1579 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1580 ns_self_contained=yes
1581 prefix=${ns_appresdir}
1582 exec_prefix=${ns_appbindir}
1583 dnl This one isn't really used, only archlibdir is.
1584 libexecdir="\${ns_appbindir}/libexec"
1585 archlibdir="\${ns_appbindir}/libexec"
1586 docdir="\${ns_appresdir}/etc"
1587 etcdir="\${ns_appresdir}/etc"
1588 dnl FIXME maybe set datarootdir instead.
1589 dnl That would also get applications, icons, man.
1590 infodir="\${ns_appresdir}/info"
1591 mandir="\${ns_appresdir}/man"
1592 lispdir="\${ns_appresdir}/lisp"
1593 leimdir="\${ns_appresdir}/leim"
1594 INSTALL_ARCH_INDEP_EXTRA=
1596 NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o nsfont.o"
1598 CFLAGS="$tmp_CFLAGS"
1599 CPPFLAGS="$tmp_CPPFLAGS"
1600 AC_SUBST(INSTALL_ARCH_INDEP_EXTRA)
1601 AC_SUBST(ns_self_contained)
1603 AC_SUBST(NS_OBJC_OBJ)
1604 AC_SUBST(LIB_STANDARD)
1611 if test "${with_w32}" != no; then
1612 if test "${opsys}" != "cygwin"; then
1613 AC_MSG_ERROR([Using w32 with an autotools build is only supported for Cygwin.])
1615 AC_CHECK_HEADER([windows.h], [HAVE_W32=yes],
1616 [AC_MSG_ERROR([`--with-w32' was specified, but windows.h
1617 cannot be found.])])
1618 AC_DEFINE(HAVE_NTGUI, 1, [Define to use native MS Windows GUI.])
1619 AC_CHECK_TOOL(WINDRES, [windres],
1620 [AC_MSG_ERROR([No resource compiler found.])])
1621 W32_OBJ="w32fns.o w32menu.o w32reg.o w32font.o w32term.o"
1622 W32_OBJ="$W32_OBJ w32xfns.o w32select.o w32uniscribe.o"
1623 W32_LIBS="$W32_LIBS -lkernel32 -luser32 -lgdi32 -lole32 -lcomdlg32"
1624 W32_LIBS="$W32_LIBS -lusp10 -lcomctl32 -lwinspool"
1626 # Tell the linker that emacs.res is an object (which we compile from
1627 # the rc file), not a linker script.
1628 W32_RES_LINK="-Wl,-bpe-i386 -Wl,emacs.res"
1633 AC_SUBST(W32_RES_LINK)
1635 if test "${HAVE_W32}" = "yes"; then
1640 ## $window_system is now set to the window system we will
1648 case "${window_system}" in
1653 case "${with_x_toolkit}" in
1654 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1655 motif ) USE_X_TOOLKIT=MOTIF ;;
1657 term_header=gtkutil.h
1658 dnl Don't set this for GTK. A lot of tests below assumes Xt when
1659 dnl USE_X_TOOLKIT is set.
1660 USE_X_TOOLKIT=none ;;
1661 gtk2 ) with_gtk2=yes
1662 term_header=gtkutil.h
1663 USE_X_TOOLKIT=none ;;
1664 gtk3 ) with_gtk3=yes
1665 term_header=gtkutil.h
1666 USE_X_TOOLKIT=none ;;
1667 no ) USE_X_TOOLKIT=none ;;
1668 dnl If user did not say whether to use a toolkit, make this decision later:
1669 dnl use the toolkit if we have gtk, or X11R5 or newer.
1670 * ) USE_X_TOOLKIT=maybe ;;
1674 term_header=nsterm.h
1677 term_header=w32term.h
1681 if test -n "${term_header}"; then
1682 AC_DEFINE_UNQUOTED(TERM_HEADER, "${term_header}",
1683 [Define to the header for the built-in window system.])
1686 if test "$window_system" = none && test "X$with_x" != "Xno"; then
1687 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
1688 if test "$HAVE_XSERVER" = true ||
1689 test -n "$DISPLAY" ||
1690 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
1691 AC_MSG_ERROR([You seem to be running X, but no X development libraries
1692 were found. You should install the relevant development files for X
1693 and for the toolkit you want, such as Gtk+, Lesstif or Motif. Also make
1694 sure you have development files for image handling, i.e.
1695 tiff, gif, jpeg, png and xpm.
1696 If you are sure you want Emacs compiled without X window support, pass
1702 ### If we're using X11, we should use the X menu package.
1705 yes ) HAVE_MENUS=yes ;;
1708 # Does the opsystem file prohibit the use of the GNU malloc?
1709 # Assume not, until told otherwise.
1713 [whether malloc is Doug Lea style],
1714 [emacs_cv_var_doug_lea_malloc],
1717 [[#include <malloc.h>
1718 static void hook (void) {}]],
1719 [[malloc_set_state (malloc_get_state ());
1720 __after_morecore_hook = hook;
1721 __malloc_initialize_hook = hook;]])],
1722 [emacs_cv_var_doug_lea_malloc=yes],
1723 [emacs_cv_var_doug_lea_malloc=no])])
1724 doug_lea_malloc=$emacs_cv_var_doug_lea_malloc
1727 dnl See comments in aix4-2.h about maybe using system malloc there.
1730 ## darwin ld insists on the use of malloc routines in the System framework.
1731 darwin|sol2-10) system_malloc=yes ;;
1734 if test "${system_malloc}" = "yes"; then
1735 AC_DEFINE(SYSTEM_MALLOC, 1, [Define to use system malloc.])
1738 (The GNU allocators don't work with this system configuration.)"
1742 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
1743 VMLIMIT_OBJ=vm-limit.o
1745 AC_SUBST(GMALLOC_OBJ)
1746 AC_SUBST(VMLIMIT_OBJ)
1748 if test "$doug_lea_malloc" = "yes" ; then
1749 if test "$GNU_MALLOC" = yes ; then
1751 (Using Doug Lea's new malloc from the GNU C Library.)"
1753 AC_DEFINE(DOUG_LEA_MALLOC, 1,
1754 [Define to 1 if you are using the GNU C Library.])
1756 ## Use mmap directly for allocating larger buffers.
1757 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
1758 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
1759 ## Does the AC_FUNC_MMAP test below make this check unnecessary?
1761 gnu*) REL_ALLOC=no ;;
1765 if test x"${REL_ALLOC}" = x; then
1766 REL_ALLOC=${GNU_MALLOC}
1769 use_mmap_for_buffers=no
1771 cygwin|freebsd|irix6-5) use_mmap_for_buffers=yes ;;
1775 if test $use_mmap_for_buffers = yes; then
1776 AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
1780 LIBS="$LIBS_SYSTEM $LIBS"
1782 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1783 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1784 AC_CHECK_LIB(dnet, dnet_ntoa)
1785 dnl This causes -lresolv to get used in subsequent tests,
1786 dnl which causes failures on some systems such as HPUX 9.
1787 dnl AC_CHECK_LIB(resolv, gethostbyname)
1789 dnl FIXME replace main with a function we actually want from this library.
1790 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1792 dnl Check if pthreads is available.
1794 AC_CHECK_HEADERS_ONCE(pthread.h)
1795 if test "$ac_cv_header_pthread_h"; then
1796 dnl gmalloc.c uses pthread_atfork, which is not available on older-style
1797 dnl hosts such as MirBSD 10, so test for pthread_atfork instead of merely
1798 dnl testing for pthread_self if Emacs uses gmalloc.c.
1799 if test "$GMALLOC_OBJ" = gmalloc.o; then
1800 emacs_pthread_function=pthread_atfork
1802 emacs_pthread_function=pthread_self
1804 AC_CHECK_LIB(pthread, $emacs_pthread_function, HAVE_PTHREAD=yes)
1806 if test "$HAVE_PTHREAD" = yes; then
1807 case "${canonical}" in
1809 *) LIB_PTHREAD="-lpthread"
1810 LIBS="$LIB_PTHREAD $LIBS" ;;
1812 AC_DEFINE(HAVE_PTHREAD, 1, [Define to 1 if you have pthread (-lpthread).])
1814 AC_SUBST([LIB_PTHREAD])
1816 AC_CHECK_LIB(pthreads, cma_open)
1818 ## Note: when using cpp in s/aix4.2.h, this definition depended on
1819 ## HAVE_LIBPTHREADS. That was not defined earlier in configure when
1820 ## the system file was sourced. Hence the value of LIBS_SYSTEM
1821 ## added to LIBS in configure would never contain the pthreads part,
1822 ## but the value used in Makefiles might. FIXME?
1824 ## -lpthreads seems to be necessary for Xlib in X11R6, and should
1825 ## be harmless on older versions of X where it happens to exist.
1826 test "$opsys" = "aix4-2" && \
1827 test $ac_cv_lib_pthreads_cma_open = yes && \
1828 LIBS_SYSTEM="$LIBS_SYSTEM -lpthreads"
1830 dnl Check for need for bigtoc support on IBM AIX
1834 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1836 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1837 *) gdb_cv_bigtoc=-bbigtoc ;;
1840 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1841 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
1846 # Change CFLAGS and CPPFLAGS temporarily so that C_SWITCH_X_SITE gets
1847 # used for the tests that follow. We set them back to REAL_CFLAGS and
1848 # REAL_CPPFLAGS later on.
1850 REAL_CFLAGS="$CFLAGS"
1851 REAL_CPPFLAGS="$CPPFLAGS"
1853 if test "${HAVE_X11}" = "yes"; then
1854 DEFS="$C_SWITCH_X_SITE $DEFS"
1855 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1857 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1858 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
1860 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1861 # This is handled by LD_SWITCH_X_SITE_RPATH during the real build,
1862 # but it's more convenient here to set LD_RUN_PATH since this
1863 # also works on hosts that don't understand LD_SWITCH_X_SITE_RPATH.
1864 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1865 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1869 if test "${opsys}" = "gnu-linux"; then
1870 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1871 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
1872 [[XOpenDisplay ("foo");]])],
1873 [xgnu_linux_first_failure=no],
1874 [xgnu_linux_first_failure=yes])
1875 if test "${xgnu_linux_first_failure}" = "yes"; then
1876 OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1877 OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1878 OLD_CPPFLAGS="$CPPFLAGS"
1880 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1881 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1882 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1883 LIBS="$LIBS -b i486-linuxaout"
1884 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
1885 [[XOpenDisplay ("foo");]])],
1886 [xgnu_linux_second_failure=no],
1887 [xgnu_linux_second_failure=yes])
1888 if test "${xgnu_linux_second_failure}" = "yes"; then
1889 # If we get the same failure with -b, there is no use adding -b.
1890 # So take it out. This plays safe.
1891 LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1892 C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1893 CPPFLAGS="$OLD_CPPFLAGS"
1904 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
1905 # header files included from there.
1906 AC_MSG_CHECKING(for Xkb)
1907 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
1908 #include <X11/XKBlib.h>]],
1909 [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
1910 emacs_xkb=yes, emacs_xkb=no)
1911 AC_MSG_RESULT($emacs_xkb)
1912 if test $emacs_xkb = yes; then
1913 AC_DEFINE(HAVE_XKBGETKEYBOARD, 1, [Define to 1 if you have the XkbGetKeyboard function.])
1916 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1917 XScreenNumberOfScreen)
1920 if test "${window_system}" = "x11"; then
1921 AC_MSG_CHECKING(X11 version 6)
1922 AC_CACHE_VAL(emacs_cv_x11_version_6,
1923 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
1924 [[#if XlibSpecificationRelease < 6
1927 ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
1928 if test $emacs_cv_x11_version_6 = yes; then
1929 AC_MSG_RESULT(6 or newer)
1930 AC_DEFINE(HAVE_X11R6, 1,
1931 [Define to 1 if you have the X11R6 or newer version of Xlib.])
1932 AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
1933 ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
1937 *) AC_DEFINE(HAVE_X11R6_XIM, 1,
1938 [Define if you have usable X11R6-style XIM support.])
1942 AC_MSG_RESULT(before 6)
1947 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
1949 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes"; then
1950 if test "${with_rsvg}" != "no"; then
1951 RSVG_REQUIRED=2.11.0
1952 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
1954 PKG_CHECK_MODULES(RSVG, $RSVG_MODULE, HAVE_RSVG=yes, :)
1955 AC_SUBST(RSVG_CFLAGS)
1958 if test $HAVE_RSVG = yes; then
1959 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
1960 CFLAGS="$CFLAGS $RSVG_CFLAGS"
1961 LIBS="$RSVG_LIBS $LIBS"
1967 if test "${HAVE_X11}" = "yes"; then
1968 if test "${with_imagemagick}" != "no"; then
1969 ## 6.2.8 is the earliest version known to work, but earlier versions
1970 ## might work - let us know if you find one.
1971 ## 6.0.7 does not work. See bug#7955.
1972 IMAGEMAGICK_MODULE="Wand >= 6.2.8"
1973 PKG_CHECK_MODULES(IMAGEMAGICK, $IMAGEMAGICK_MODULE, HAVE_IMAGEMAGICK=yes, :)
1974 AC_SUBST(IMAGEMAGICK_CFLAGS)
1975 AC_SUBST(IMAGEMAGICK_LIBS)
1977 if test $HAVE_IMAGEMAGICK = yes; then
1978 AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
1979 CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
1980 LIBS="$IMAGEMAGICK_LIBS $LIBS"
1981 AC_CHECK_FUNCS(MagickExportImagePixels MagickMergeImageLayers)
1991 if test "${with_gtk3}" = "yes" || test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
1994 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
1996 dnl Checks for libraries.
1997 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
1998 if test "$pkg_check_gtk" = "no" && test "$with_gtk3" = "yes"; then
1999 AC_MSG_ERROR($GTK_PKG_ERRORS)
2001 if test "$pkg_check_gtk" = "yes"; then
2002 AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
2003 GTK_OBJ=emacsgtkfixed.o
2004 term_header=gtkutil.h
2005 USE_GTK_TOOLKIT="GTK3"
2006 if test "x$ac_enable_gtk_deprecation_warnings" = x; then
2007 GTK_CFLAGS="$GTK_CFLAGS -DGDK_DISABLE_DEPRECATION_WARNINGS"
2011 gtk3_pkg_errors="$GTK_PKG_ERRORS "
2015 if test "${with_gtk2}" = "yes" || test "$check_gtk2" = "yes"; then
2018 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2020 dnl Checks for libraries.
2021 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
2022 if test "$pkg_check_gtk" = "no" &&
2023 { test "$with_gtk" = yes || test "$with_gtk2" = "yes"; }
2025 AC_MSG_ERROR($gtk3_pkg_errors$GTK_PKG_ERRORS)
2027 test "$pkg_check_gtk" = "yes" && USE_GTK_TOOLKIT="GTK2"
2030 if test x"$pkg_check_gtk" = xyes; then
2032 AC_SUBST(GTK_CFLAGS)
2034 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
2035 CFLAGS="$CFLAGS $GTK_CFLAGS"
2036 LIBS="$GTK_LIBS $LIBS"
2037 dnl Try to compile a simple GTK program.
2039 AC_CHECK_FUNCS(gtk_main, GTK_COMPILES=yes)
2040 if test "${GTK_COMPILES}" != "yes"; then
2041 if test "$USE_X_TOOLKIT" != "maybe"; then
2042 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
2046 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
2047 GTK_OBJ="gtkutil.o $GTK_OBJ"
2049 if "$PKG_CONFIG" --atleast-version=2.10 gtk+-2.0; then
2052 AC_MSG_WARN([[Your version of Gtk+ will have problems with
2053 closing open displays. This is no problem if you just use
2054 one display, but if you use more than one and close one of them
2064 if test "${HAVE_GTK}" = "yes"; then
2066 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
2067 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
2068 if test "$with_toolkit_scroll_bars" != no; then
2069 with_toolkit_scroll_bars=yes
2072 dnl Check if we have the old file selection dialog declared and
2073 dnl in the link library. In 2.x it may be in the library,
2074 dnl but not declared if deprecated featured has been selected out.
2075 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
2076 HAVE_GTK_FILE_SELECTION=no
2077 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
2078 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
2079 #include <gtk/gtk.h>])
2080 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
2081 AC_CHECK_FUNCS(gtk_file_selection_new)
2084 dnl Same as above for gtk_handle_box.
2085 HAVE_GTK_HANDLE_BOX=no
2086 AC_CHECK_DECL(GTK_TYPE_HANDLE_BOX, HAVE_GTK_HANDLE_BOX=yes,
2087 HAVE_GTK_HANDLE_BOX=no, [AC_INCLUDES_DEFAULT
2088 #include <gtk/gtk.h>])
2089 if test "$HAVE_GTK_HANDLE_BOX" = yes; then
2090 AC_CHECK_FUNCS(gtk_handle_box_new)
2093 dnl Same as above for gtk_tearoff_menu_item.
2094 HAVE_GTK_TEAROFF_MENU_ITEM=no
2095 AC_CHECK_DECL(GTK_TYPE_TEAROFF_MENU_ITEM, HAVE_GTK_TEAROFF_MENU_ITEM=yes,
2096 HAVE_GTK_TEAROFF_MENU_ITEM=no, [AC_INCLUDES_DEFAULT
2097 #include <gtk/gtk.h>])
2098 if test "$HAVE_GTK_TEAROFF_MENU_ITEM" = yes; then
2099 AC_CHECK_FUNCS(gtk_tearoff_menu_item_new)
2102 dnl Check for functions introduced in 2.14 and later.
2103 AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
2104 gtk_dialog_get_action_area gtk_widget_get_sensitive \
2105 gtk_widget_get_mapped gtk_adjustment_get_page_size \
2106 gtk_orientable_set_orientation \
2107 gtk_window_set_has_resize_grip)
2109 term_header=gtkutil.h
2119 if test "${with_xwidgets}" != "no"; then
2120 echo "xwidgets enabled, checking webkit, and others"
2122 AC_DEFINE(HAVE_XWIDGETS, 1, [Define to 1 if you have xwidgets support.])
2125 # - enable only if gtk/gtk3 enabled
2126 # - webkit, goocanvas, clutter
2127 # - only webkit_osr is good so remove plain webkit laterish
2129 #webkit version for gtk3.
2130 WEBKIT_REQUIRED=1.4.0
2131 WEBKIT_MODULES="webkitgtk-3.0 >= $WEBKIT_REQUIRED"
2133 if test "${with_gtk3}" = "yes"; then
2134 PKG_CHECK_MODULES(WEBKIT, $WEBKIT_MODULES, HAVE_WEBKIT=yes, HAVE_WEBKIT=no)
2135 if test $HAVE_WEBKIT = yes; then
2136 AC_DEFINE(HAVE_WEBKIT_OSR, 1, [Define to 1 if you have webkit_osr support.])
2140 if test "${with_xwdemo}" = "yes"; then
2141 #clutter and goocanvas are just proof of concept so disable for now
2142 CLUTTER_REQUIRED=1.0.0
2143 CLUTTER_MODULES="clutter-gtk-1.0 >= $CLUTTER_REQUIRED"
2145 PKG_CHECK_MODULES(CLUTTER, $CLUTTER_MODULES, HAVE_CLUTTER=yes, HAVE_CLUTTER=no)
2146 if test $HAVE_CLUTTER = yes; then
2147 AC_DEFINE(HAVE_CLUTTER, 1, [Define to 1 if you have clutter support.])
2151 GOOCANVAS_REQUIRED=1.4.0
2152 GOOCANVAS_MODULES="goocanvasgtk-3.0 >= $GOOCANVAS_REQUIRED"
2154 PKG_CHECK_MODULES(GOOCANVAS, $GOOCANVAS_MODULES, HAVE_GOOCANVAS=yes, HAVE_GOOCANVAS=no)
2155 if test $HAVE_GOOCANVAS = yes; then
2156 AC_DEFINE(HAVE_GOOCANVAS, 1, [Define to 1 if you have goocanvas support.])
2161 GIR_MODULES="gobject-introspection-1.0 >= $GIR_REQUIRED"
2162 PKG_CHECK_MODULES(GIR, $GIR_MODULES, HAVE_GIR=yes, HAVE_GIR=no)
2163 if test $HAVE_GIR = yes; then
2164 AC_DEFINE(HAVE_GIR, 1, [Define to 1 if you have GIR support.])
2171 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
2172 dnl other platforms.
2175 if test "${with_dbus}" = "yes"; then
2176 PKG_CHECK_MODULES(DBUS, dbus-1 >= 1.0, HAVE_DBUS=yes, HAVE_DBUS=no)
2177 if test "$HAVE_DBUS" = yes; then
2178 LIBS="$LIBS $DBUS_LIBS"
2179 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
2180 dnl dbus_watch_get_unix_fd has been introduced in D-Bus 1.1.1.
2181 dnl dbus_type_is_valid and dbus_validate_* have been introduced in
2183 AC_CHECK_FUNCS(dbus_watch_get_unix_fd \
2184 dbus_type_is_valid \
2185 dbus_validate_bus_name \
2186 dbus_validate_path \
2187 dbus_validate_interface \
2188 dbus_validate_member)
2194 dnl GSettings has been tested under GNU/Linux only.
2196 if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then
2197 PKG_CHECK_MODULES(GSETTINGS, gio-2.0 >= 2.26, HAVE_GSETTINGS=yes, HAVE_GSETTINGS=no)
2198 if test "$HAVE_GSETTINGS" = "yes"; then
2199 AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.])
2200 SETTINGS_CFLAGS="$GSETTINGS_CFLAGS"
2201 SETTINGS_LIBS="$GSETTINGS_LIBS"
2205 dnl GConf has been tested under GNU/Linux only.
2206 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
2208 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
2209 PKG_CHECK_MODULES(GCONF, gconf-2.0 >= 2.13, HAVE_GCONF=yes, HAVE_GCONF=no)
2210 if test "$HAVE_GCONF" = yes; then
2211 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
2212 dnl Newer GConf doesn't link with g_objects, so this is not defined.
2213 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS"
2214 SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS"
2218 if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then
2219 PKG_CHECK_MODULES(GOBJECT, gobject-2.0 >= 2.0, HAVE_GOBJECT=yes, HAVE_GOBJECT=no)
2220 if test "$HAVE_GOBJECT" = "yes"; then
2221 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GOBJECT_CFLAGS"
2222 SETTINGS_LIBS="$SETTINGS_LIBS $GOBJECT_LIBS"
2224 SAVE_CFLAGS="$CFLAGS"
2226 CFLAGS="$SETTINGS_CFLAGS $CFLAGS"
2227 LIBS="$SETTINGS_LIBS $LIBS"
2228 AC_CHECK_FUNCS([g_type_init])
2229 CFLAGS="$SAVE_CFLAGS"
2232 AC_SUBST(SETTINGS_CFLAGS)
2233 AC_SUBST(SETTINGS_LIBS)
2236 dnl SELinux is available for GNU/Linux only.
2239 if test "${with_selinux}" = "yes"; then
2240 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
2241 if test "$HAVE_LIBSELINUX" = yes; then
2242 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
2243 LIBSELINUX_LIBS=-lselinux
2246 AC_SUBST(LIBSELINUX_LIBS)
2249 HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=no
2250 if test "${with_gnutls}" = "yes" ; then
2251 PKG_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.6], HAVE_GNUTLS=yes, HAVE_GNUTLS=no)
2252 if test "${HAVE_GNUTLS}" = "yes"; then
2253 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
2256 CFLAGS="$CFLAGS $LIBGNUTLS_CFLAGS"
2257 LIBS="$LIBGNUTLS_LIBS $LIBS"
2258 AC_CHECK_FUNCS(gnutls_certificate_set_verify_function, HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=yes)
2260 if test "${HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY}" = "yes"; then
2261 AC_DEFINE(HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY, 1, [Define if using GnuTLS certificate verification callbacks.])
2265 AC_SUBST(LIBGNUTLS_LIBS)
2266 AC_SUBST(LIBGNUTLS_CFLAGS)
2268 dnl inotify is only available on GNU/Linux.
2269 if test "${with_inotify}" = "yes"; then
2270 AC_CHECK_HEADERS(sys/inotify.h)
2271 if test "$ac_cv_header_sys_inotify_h" = yes ; then
2272 AC_CHECK_FUNC(inotify_init1)
2275 if test "$ac_cv_func_inotify_init1" = yes; then
2276 AC_DEFINE(HAVE_INOTIFY, 1, [Define to 1 to use inotify.])
2279 dnl POSIX ACL support: provided by libacl on GNU/Linux, by libc on FreeBSD.
2282 if test "${with_acl}" = "yes"; then
2283 AC_CHECK_LIB([acl], [acl_set_file], HAVE_POSIX_ACL=yes, HAVE_POSIX_ACL=no)
2284 if test "$HAVE_POSIX_ACL" = yes; then
2285 AC_DEFINE(HAVE_POSIX_ACL, 1, [Define to 1 if using POSIX ACL support.])
2288 AC_CHECK_FUNC(acl_set_file, HAVE_POSIX_ACL=yes, HAVE_POSIX_ACL=no)
2289 if test "$HAVE_POSIX_ACL" = yes; then
2290 AC_DEFINE(HAVE_POSIX_ACL, 1, [Define to 1 if using POSIX ACL support.])
2294 AC_SUBST(LIBACL_LIBS)
2296 dnl Do not put whitespace before the #include statements below.
2297 dnl Older compilers (eg sunos4 cc) choke on it.
2300 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2301 if test "$with_xaw3d" != no; then
2302 AC_CACHE_VAL(emacs_cv_xaw3d,
2303 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2304 #include <X11/Intrinsic.h>
2305 #include <X11/Xaw3d/Simple.h>]],
2307 [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
2308 emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
2309 emacs_cv_xaw3d=no)])
2313 if test $emacs_cv_xaw3d = yes; then
2314 AC_MSG_CHECKING(for xaw3d)
2315 AC_MSG_RESULT([yes; using Lucid toolkit])
2319 AC_DEFINE(HAVE_XAW3D, 1,
2320 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2322 AC_MSG_CHECKING(for xaw3d)
2324 AC_MSG_CHECKING(for libXaw)
2325 AC_CACHE_VAL(emacs_cv_xaw,
2326 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2327 #include <X11/Intrinsic.h>
2328 #include <X11/Xaw/Simple.h>]],
2332 if test $emacs_cv_xaw = yes; then
2333 AC_MSG_RESULT([yes; using Lucid toolkit])
2336 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2337 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2339 AC_MSG_ERROR([No X toolkit could be found.
2340 If you are sure you want Emacs compiled without an X toolkit, pass
2342 to configure. Otherwise, install the development libraries for the toolkit
2343 that you want to use (e.g. Gtk+) and re-run configure.])
2348 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2351 if test "${USE_X_TOOLKIT}" != "none"; then
2352 AC_MSG_CHECKING(X11 toolkit version)
2353 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2354 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
2355 [[#if XtSpecificationRelease < 6
2358 ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2359 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2360 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2361 AC_MSG_RESULT(6 or newer)
2362 AC_DEFINE(HAVE_X11XTR6, 1,
2363 [Define to 1 if you have the X11R6 or newer version of Xt.])
2364 LIBXTR6="-lSM -lICE"
2366 ## Use libw.a along with X11R6 Xt.
2367 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2370 AC_MSG_RESULT(before 6)
2373 dnl If using toolkit, check whether libXmu.a exists.
2374 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2376 if test x$HAVE_X11XTR6 = xyes; then
2377 LIBS="-lXt -lSM -lICE $LIBS"
2381 AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
2382 test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
2383 dnl ac_cv_lib_Xmu_XmuConvertStandardSelection is also referenced below.
2387 dnl FIXME the logic here seems weird, but this is what cpp was doing.
2388 dnl Why not just test for libxmu in the normal way?
2391 ## These systems don't supply Xmu.
2393 test "X$ac_cv_lib_Xmu_XmuConvertStandardSelection" != "Xyes" && LIBXMU=
2398 # On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
2399 if test "${HAVE_X11}" = "yes"; then
2400 if test "${USE_X_TOOLKIT}" != "none"; then
2401 AC_CHECK_LIB(Xext, XShapeQueryExtension)
2406 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2407 # OpenMotif may be installed in such a way on some GNU/Linux systems.
2408 if test -d /usr/include/openmotif; then
2409 CPPFLAGS="-I/usr/include/openmotif $CPPFLAGS"
2410 emacs_cv_openmotif=yes
2411 case "$canonical" in
2412 x86_64-*-linux-gnu* | powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*)
2413 test -d /usr/lib64/openmotif && LDFLAGS="-L/usr/lib64/openmotif $LDFLAGS"
2416 test -d /usr/lib/openmotif && LDFLAGS="-L/usr/lib/openmotif $LDFLAGS"
2419 emacs_cv_openmotif=no
2421 AC_CACHE_CHECK(for (Open)Motif version 2.1, emacs_cv_motif_version_2_1,
2422 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
2423 [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2426 Motif version prior to 2.1.
2428 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2429 if test $emacs_cv_motif_version_2_1 = yes; then
2430 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2431 if test x$emacs_cv_openmotif = xyes; then
2432 REAL_CPPFLAGS="-I/usr/include/openmotif $REAL_CPPFLAGS"
2435 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2436 # We put this in CFLAGS temporarily to precede other -I options
2437 # that might be in CFLAGS temporarily.
2438 # We put this in CPPFLAGS where it precedes the other -I options.
2439 OLD_CPPFLAGS=$CPPFLAGS
2441 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2442 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2443 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
2445 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2446 if test $emacs_cv_lesstif = yes; then
2447 # Make sure this -I option remains in CPPFLAGS after it is set
2448 # back to REAL_CPPFLAGS.
2449 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2450 # have those other -I options anyway. Ultimately, having this
2451 # directory ultimately in CPPFLAGS will be enough.
2452 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2453 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2456 CPPFLAGS=$OLD_CPPFLAGS
2459 AC_CHECK_HEADER([Xm/BulletinB.h], [],
2460 [AC_MSG_ERROR([Motif toolkit requested but requirements not found.])])
2463 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2464 dnl using Motif or Xaw3d is available, and unless
2465 dnl --with-toolkit-scroll-bars=no was specified.
2467 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2468 [Define to 1 if we should use toolkit scroll bars.])dnl
2469 USE_TOOLKIT_SCROLL_BARS=no
2470 if test "${with_toolkit_scroll_bars}" != "no"; then
2471 if test "${USE_X_TOOLKIT}" != "none"; then
2472 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2473 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2475 USE_TOOLKIT_SCROLL_BARS=yes
2476 elif test "${HAVE_XAW3D}" = "yes" || test "${USE_X_TOOLKIT}" = "LUCID"; then
2477 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2478 USE_TOOLKIT_SCROLL_BARS=yes
2480 elif test "${HAVE_GTK}" = "yes"; then
2481 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2482 USE_TOOLKIT_SCROLL_BARS=yes
2483 elif test "${HAVE_NS}" = "yes"; then
2484 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2485 USE_TOOLKIT_SCROLL_BARS=yes
2486 elif test "${HAVE_W32}" = "yes"; then
2487 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2488 USE_TOOLKIT_SCROLL_BARS=yes
2492 dnl See if XIM is available.
2493 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2494 #include <X11/Xlib.h>
2495 #include <X11/Xresource.h>]],
2496 [[XIMProc callback;]])],
2498 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
2501 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2503 if test "${with_xim}" != "no"; then
2504 AC_DEFINE(USE_XIM, 1,
2505 [Define to 1 if we should use XIM, if it is available.])
2509 if test "${HAVE_XIM}" != "no"; then
2511 if test "$GCC" = yes; then
2512 CFLAGS="$CFLAGS --pedantic-errors"
2514 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2515 #include <X11/Xlib.h>
2516 #include <X11/Xresource.h>]],
2522 XPointer *client_data;
2524 /* If we're not using GCC, it's probably not XFree86, and this is
2525 probably right, but we can't use something like --pedantic-errors. */
2526 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2527 char*, XIMProc, XPointer*);
2529 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2531 [emacs_cv_arg6_star=yes])
2532 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2533 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2534 either XPointer or XPointer*.])dnl
2535 if test "$emacs_cv_arg6_star" = yes; then
2536 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2538 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2543 ### Start of font-backend (under any platform) section.
2544 # (nothing here yet -- this is a placeholder)
2545 ### End of font-backend (under any platform) section.
2547 ### Start of font-backend (under X11) section.
2548 if test "${HAVE_X11}" = "yes"; then
2549 PKG_CHECK_MODULES(FONTCONFIG, fontconfig >= 2.2.0, HAVE_FC=yes, HAVE_FC=no)
2551 ## Use -lXft if available, unless `--with-xft=no'.
2553 if test "${HAVE_FC}" = "no" || test "x${with_x}" = "xno"; then
2556 if test "x${with_xft}" != "xno"; then
2558 PKG_CHECK_MODULES(XFT, xft >= 0.13.0, , HAVE_XFT=no)
2559 ## Because xftfont.c uses XRenderQueryExtension, we also
2560 ## need to link to -lXrender.
2562 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
2563 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
2564 OLD_CPPFLAGS="$CPPFLAGS"
2565 OLD_CFLAGS="$CFLAGS"
2567 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
2568 CFLAGS="$CFLAGS $XFT_CFLAGS"
2569 XFT_LIBS="-lXrender $XFT_LIBS"
2570 LIBS="$XFT_LIBS $LIBS"
2571 AC_CHECK_HEADER(X11/Xft/Xft.h,
2572 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS))
2574 if test "${HAVE_XFT}" = "yes"; then
2575 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
2577 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
2579 CPPFLAGS="$OLD_CPPFLAGS"
2580 CFLAGS="$OLD_CFLAGS"
2582 fi # "${HAVE_XFT}" = "yes"
2583 fi # "$HAVE_XFT" != no
2584 fi # "x${with_xft}" != "xno"
2586 ## We used to allow building with FreeType and without Xft.
2587 ## However, the ftx font backend driver is not in good shape.
2588 if test "$HAVE_XFT" != "yes"; then
2589 dnl For the "Does Emacs use" message at the end.
2593 dnl Strict linkers fail with
2594 dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
2595 dnl if -lfreetype is not specified.
2596 dnl The following is needed to set FREETYPE_LIBS.
2597 PKG_CHECK_MODULES(FREETYPE, freetype2, HAVE_FREETYPE=yes,
2600 test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
2604 if test "${HAVE_FREETYPE}" = "yes"; then
2605 AC_DEFINE(HAVE_FREETYPE, 1,
2606 [Define to 1 if using the freetype and fontconfig libraries.])
2607 if test "${with_libotf}" != "no"; then
2608 PKG_CHECK_MODULES(LIBOTF, libotf, HAVE_LIBOTF=yes,
2610 if test "$HAVE_LIBOTF" = "yes"; then
2611 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
2612 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
2613 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
2614 HAVE_OTF_GET_VARIATION_GLYPHS=no)
2615 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
2616 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
2617 [Define to 1 if libotf has OTF_get_variation_glyphs.])
2621 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
2622 dnl Does the new font backend require it, or can it work without it?
2626 if test "${HAVE_LIBOTF}" = yes; then
2627 if test "${with_m17n_flt}" != "no"; then
2628 PKG_CHECK_MODULES(M17N_FLT, m17n-flt, HAVE_M17N_FLT=yes, HAVE_M17N_FLT=no)
2629 if test "$HAVE_M17N_FLT" = "yes"; then
2630 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
2641 ### End of font-backend (under X11) section.
2643 AC_SUBST(FREETYPE_CFLAGS)
2644 AC_SUBST(FREETYPE_LIBS)
2645 AC_SUBST(FONTCONFIG_CFLAGS)
2646 AC_SUBST(FONTCONFIG_LIBS)
2647 AC_SUBST(LIBOTF_CFLAGS)
2648 AC_SUBST(LIBOTF_LIBS)
2649 AC_SUBST(M17N_FLT_CFLAGS)
2650 AC_SUBST(M17N_FLT_LIBS)
2652 ### Use -lXpm if available, unless `--with-xpm=no'.
2656 if test "${HAVE_W32}" = "yes"; then
2657 if test "${with_xpm}" != "no"; then
2658 SAVE_CPPFLAGS="$CPPFLAGS"
2659 SAVE_LDFLAGS="$LDFLAGS"
2660 CPPFLAGS="$CPPFLAGS -I/usr/include/noX"
2661 LDFLAGS="$LDFLAGS -L/usr/lib/noX"
2662 AC_CHECK_HEADER(X11/xpm.h,
2663 [AC_CHECK_LIB(Xpm, XpmReadFileToImage, HAVE_XPM=yes)])
2664 if test "${HAVE_XPM}" = "yes"; then
2665 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2666 AC_EGREP_CPP(no_return_alloc_pixels,
2667 [#include "X11/xpm.h"
2668 #ifndef XpmReturnAllocPixels
2669 no_return_alloc_pixels
2671 ], HAVE_XPM=no, HAVE_XPM=yes)
2673 if test "${HAVE_XPM}" = "yes"; then
2674 REAL_CPPFLAGS="$REAL_CPPFLAGS -I/usr/include/noX"
2678 CPPFLAGS="$SAVE_CPPFLAGS"
2679 LDFLAGS="$SAVE_LDFLAGS"
2684 if test "${HAVE_XPM}" = "yes"; then
2685 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2690 if test "${HAVE_X11}" = "yes"; then
2691 if test "${with_xpm}" != "no"; then
2692 AC_CHECK_HEADER(X11/xpm.h,
2693 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
2694 if test "${HAVE_XPM}" = "yes"; then
2695 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2696 AC_EGREP_CPP(no_return_alloc_pixels,
2697 [#include "X11/xpm.h"
2698 #ifndef XpmReturnAllocPixels
2699 no_return_alloc_pixels
2701 ], HAVE_XPM=no, HAVE_XPM=yes)
2703 if test "${HAVE_XPM}" = "yes"; then
2711 if test "${HAVE_XPM}" = "yes"; then
2712 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2719 ### Use -ljpeg if available, unless `--with-jpeg=no'.
2722 if test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
2723 if test "${with_jpeg}" != "no"; then
2724 dnl Checking for jpeglib.h can lose because of a redefinition of
2726 AC_CHECK_HEADER(jerror.h,
2727 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
2730 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
2731 if test "${HAVE_JPEG}" = "yes"; then
2732 AC_DEFINE(HAVE_JPEG)
2733 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
2734 [#include <jpeglib.h>
2735 version=JPEG_LIB_VERSION
2737 [AC_DEFINE(HAVE_JPEG)],
2738 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
2741 if test "${HAVE_JPEG}" = "yes"; then
2747 ### Use -lpng if available, unless `--with-png=no'.
2750 if test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
2751 if test "${with_png}" != "no"; then
2752 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
2753 # in /usr/include/libpng.
2754 AC_CHECK_HEADERS(png.h libpng/png.h, break)
2755 if test "$ac_cv_header_png_h" = yes || test "$ac_cv_header_libpng_png_h" = yes ; then
2756 AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm)
2760 if test "${HAVE_PNG}" = "yes"; then
2761 AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
2762 LIBPNG="-lpng -lz -lm"
2764 AC_CHECK_DECL(png_longjmp,
2766 [AC_DEFINE(PNG_DEPSTRUCT, [],
2767 [Define to empty to suppress deprecation warnings when building
2768 with --enable-gcc-warnings and with libpng versions before 1.5,
2769 which lack png_longjmp.])],
2770 [[#ifdef HAVE_LIBPNG_PNG_H
2771 # include <libpng/png.h>
2780 ### Use -ltiff if available, unless `--with-tiff=no'.
2783 if test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
2784 if test "${with_tiff}" != "no"; then
2785 AC_CHECK_HEADER(tiffio.h,
2787 # At least one tiff package requires the jpeg library.
2788 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
2789 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
2792 if test "${HAVE_TIFF}" = "yes"; then
2793 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
2794 dnl FIXME -lz -lm, as per libpng?
2800 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
2803 if test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no" \
2804 || test "${HAVE_W32}" = "yes"; then
2805 AC_CHECK_HEADER(gif_lib.h,
2806 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
2807 # Earlier versions can crash Emacs.
2808 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])
2810 if test "$HAVE_GIF" = yes; then
2812 elif test "$HAVE_GIF" = maybe; then
2813 # If gif_lib.h but no libgif, try libungif.
2814 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
2815 test "$HAVE_GIF" = yes && LIBGIF=-lungif
2818 if test "${HAVE_GIF}" = "yes"; then
2819 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
2824 dnl Check for required libraries.
2825 if test "${HAVE_X11}" = "yes"; then
2828 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
2829 MISSING="libXpm" && WITH_NO="--with-xpm=no"
2830 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
2831 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
2832 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
2833 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
2834 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
2835 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
2836 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
2837 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
2839 if test "X${MISSING}" != X; then
2840 AC_MSG_ERROR([The following required libraries were not found:
2842 Maybe some development libraries/packages are missing?
2843 If you don't want to link with them give
2845 as options to configure])
2849 ### Use -lgpm if available, unless `--with-gpm=no'.
2852 if test "${with_gpm}" != "no"; then
2853 AC_CHECK_HEADER(gpm.h,
2854 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
2856 if test "${HAVE_GPM}" = "yes"; then
2857 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
2863 dnl Check for malloc/malloc.h on darwin
2864 AC_CHECK_HEADERS_ONCE(malloc/malloc.h)
2867 ### Use NeXTstep API to implement GUI.
2868 if test "${HAVE_NS}" = "yes"; then
2869 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
2870 if test "${NS_IMPL_COCOA}" = "yes"; then
2871 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
2873 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
2874 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
2875 # See also .m.o rule in Makefile.in */
2876 # FIXME: are all these flags really needed? Document here why. */
2877 GNUSTEP_CFLAGS="-D_REENTRANT -fPIC -fno-strict-aliasing -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
2878 ## Extra CFLAGS applied to src/*.m files.
2879 GNU_OBJC_CFLAGS="$GNU_OBJC_CFLAGS -fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
2881 # We also have mouse menus.
2886 if test "${HAVE_W32}" = "yes"; then
2890 ### Use session management (-lSM -lICE) if available
2893 if test "${HAVE_X11}" = "yes"; then
2894 AC_CHECK_HEADER(X11/SM/SMlib.h,
2895 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
2897 if test "${HAVE_X_SM}" = "yes"; then
2898 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
2902 *) LIBS="$LIBXSM $LIBS" ;;
2908 ### Use libxml (-lxml2) if available
2910 if test "${with_xml2}" != "no"; then
2911 ### I'm not sure what the version number should be, so I just guessed.
2912 PKG_CHECK_MODULES(LIBXML2, libxml-2.0 > 2.6.17, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
2913 if test "${HAVE_LIBXML2}" = "yes"; then
2914 LIBS="$LIBXML2_LIBS $LIBS"
2915 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
2916 if test "${HAVE_LIBXML2}" = "yes"; then
2917 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
2924 AC_SUBST(LIBXML2_LIBS)
2925 AC_SUBST(LIBXML2_CFLAGS)
2927 # If netdb.h doesn't declare h_errno, we must declare it by hand.
2928 AC_CACHE_CHECK(whether netdb declares h_errno,
2929 emacs_cv_netdb_declares_h_errno,
2930 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
2931 [[return h_errno;]])],
2932 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
2933 if test $emacs_cv_netdb_declares_h_errno = yes; then
2934 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
2937 # sqrt and other floating-point functions such as fmod and frexp
2938 # are found in -lm on most systems.
2939 AC_CHECK_LIB(m, sqrt)
2941 # Check for mail-locking functions in a "mail" library. Probably this should
2942 # have the same check as for liblockfile below.
2943 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
2944 if test $have_mail = yes; then
2946 LIBS="$LIBS_MAIL $LIBS"
2947 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).])
2951 dnl Debian, at least:
2952 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
2953 if test $have_lockfile = yes; then
2954 LIBS_MAIL=-llockfile
2955 LIBS="$LIBS_MAIL $LIBS"
2956 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).])
2958 # If we have the shared liblockfile, assume we must use it for mail
2959 # locking (e.g. Debian). If we couldn't link against liblockfile
2960 # (no liblockfile.a installed), ensure that we don't need to.
2961 dnl This works for files generally, not just executables.
2962 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
2963 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
2964 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
2965 if test $ac_cv_prog_liblockfile = yes; then
2966 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
2967 This probably means that movemail could lose mail.
2968 There may be a `development' package to install containing liblockfile.])
2971 AC_CHECK_HEADERS_ONCE(maillock.h)
2974 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
2975 ## interlock access to the mail spool. The alternative is a lock file named
2976 ## /usr/spool/mail/$USER.lock.
2979 aix4-2) mail_lock="lockf" ;;
2981 gnu|freebsd|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
2983 ## On GNU/Linux systems, both methods are used by various mail programs.
2984 ## I assume most people are using newer mailers that have heard of flock.
2985 ## Change this if you need to.
2986 ## Debian contains a patch which says: ``On Debian/GNU/Linux systems,
2987 ## configure gets the right answers, and that means *NOT* using flock.
2988 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
2989 ## for details.'' and then uses `#ifdef DEBIAN'. Unfortunately the
2990 ## Debian maintainer hasn't provided a clean fix for Emacs.
2991 ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
2992 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
2993 ## correct logic. -- fx
2994 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
2995 ## liblockfile is a Free Software replacement for libmail, used on
2996 ## Debian systems and elsewhere. -rfr.
2999 if test $have_mail = yes || test $have_lockfile = yes; then
3000 test $ac_cv_header_maillock_h = yes && mail_lock=no
3006 case "$mail_lock" in
3007 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
3009 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
3011 *) BLESSMAIL_TARGET="need-blessmail" ;;
3013 AC_SUBST(BLESSMAIL_TARGET)
3016 AC_CHECK_FUNCS(gethostname \
3017 getrusage get_current_dir_name \
3019 select getpagesize setlocale \
3020 utimes getrlimit setrlimit shutdown getaddrinfo \
3021 strsignal setitimer \
3022 sendto recvfrom getsockname getpeername getifaddrs freeifaddrs \
3023 gai_strerror mkstemp getline getdelim fsync sync \
3024 difftime posix_memalign \
3025 getpwent endpwent getgrent endgrent \
3027 cfmakeraw cfsetspeed copysign __executable_start)
3029 ## Eric Backus <ericb@lsid.hp.com> says, HP-UX 9.x on HP 700 machines
3030 ## has a broken `rint' in some library versions including math library
3031 ## version number A.09.05.
3032 ## You can fix the math library by installing patch number PHSS_4630.
3033 ## But we can fix it more reliably for Emacs by just not using rint.
3034 ## We also skip HAVE_RANDOM - see comments in src/conf_post.h.
3037 *) AC_CHECK_FUNCS(random rint) ;;
3040 dnl Cannot use AC_CHECK_FUNCS
3041 AC_CACHE_CHECK([for __builtin_unwind_init],
3042 emacs_cv_func___builtin_unwind_init,
3043 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
3044 emacs_cv_func___builtin_unwind_init=yes,
3045 emacs_cv_func___builtin_unwind_init=no)])
3046 if test $emacs_cv_func___builtin_unwind_init = yes; then
3047 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
3048 [Define to 1 if you have the `__builtin_unwind_init' function.])
3051 AC_CHECK_HEADERS_ONCE(sys/un.h)
3056 AC_CHECK_FUNCS(grantpt)
3058 # PTY-related GNU extensions.
3059 AC_CHECK_FUNCS(getpt posix_openpt)
3061 # Check this now, so that we will NOT find the above functions in ncurses.
3062 # That is because we have not set up to link ncurses in lib-src.
3063 # It's better to believe a function is not available
3064 # than to expect to find it in ncurses.
3065 # Also we need tputs and friends to be able to build at all.
3066 AC_MSG_CHECKING([for library containing tputs])
3067 # Run a test program that contains a call to tputs, a call that is
3068 # never executed. This tests whether a pre-'main' dynamic linker
3069 # works with the library. It's too much trouble to actually call
3070 # tputs in the test program, due to portability hassles. When
3071 # cross-compiling, assume the test program will run if it links.
3072 AC_DEFUN([tputs_link_source], [
3074 [[extern void tputs (const char *, int, int (*)(int));
3075 int main (int argc, char **argv)
3078 tputs (argv[0], 0, 0);
3082 # Maybe curses should be tried earlier?
3083 # See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9736#35
3084 for tputs_library in '' tinfo ncurses terminfo termcap curses; do
3086 if test -z "$tputs_library"; then
3090 LIBS_TERMCAP=-l$tputs_library
3092 LIBS="$LIBS_TERMCAP $LIBS"
3094 AC_RUN_IFELSE([tputs_link_source], [], [msg=no],
3095 [AC_LINK_IFELSE([tputs_link_source], [], [msg=no])])
3097 if test "X$msg" != Xno; then
3101 AC_MSG_RESULT([$msg])
3102 if test "X$msg" = Xno; then
3103 AC_MSG_ERROR([The required function `tputs' was not found in any library.
3104 The following libraries were tried (in order):
3105 libtinfo, libncurses, libterminfo, libtermcap, libcurses
3106 Please try installing whichever of these libraries is most appropriate
3107 for your system, together with its header files.
3108 For example, a libncurses-dev(el) or similar package.])
3111 ## Use termcap instead of terminfo?
3112 ## Only true for: freebsd < 40000, ms-w32, msdos, netbsd < 599002500.
3114 ## FIXME? In the cases below where we unconditionally set
3115 ## LIBS_TERMCAP="-lncurses", this overrides LIBS_TERMCAP = -ltinfo,
3116 ## if that was found above to have tputs.
3117 ## Should we use the gnu* logic everywhere?
3119 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
3120 ## The ncurses library has been moved out of the System framework in
3121 ## Mac OS X 10.2. So if configure detects it, set the command-line
3122 ## option to use it.
3123 darwin) LIBS_TERMCAP="-lncurses" ;;
3125 gnu*) test -z "$LIBS_TERMCAP" && LIBS_TERMCAP="-lncurses" ;;
3128 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
3129 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
3130 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
3131 [[#if __FreeBSD_version < 400000
3134 ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
3136 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
3138 if test $emacs_cv_freebsd_terminfo = yes; then
3139 LIBS_TERMCAP="-lncurses"
3142 LIBS_TERMCAP="-ltermcap"
3147 if test "x$LIBS_TERMCAP" != "x-lterminfo"; then
3149 LIBS_TERMCAP="-ltermcap"
3153 openbsd) LIBS_TERMCAP="-lncurses" ;;
3155 ## hpux: Make sure we get select from libc rather than from libcurses
3156 ## because libcurses on HPUX 10.10 has a broken version of select.
3157 ## We used to use -lc -lcurses, but this may be cleaner.
3158 ## FIXME? But TERMINFO = yes on hpux (it used to be explicitly
3159 # set that way, now it uses the default). Isn't this a contradiction?
3160 hpux*) LIBS_TERMCAP="-ltermcap" ;;
3164 TERMCAP_OBJ=tparam.o
3165 if test $TERMINFO = yes; then
3166 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
3167 TERMCAP_OBJ=terminfo.o
3169 AC_SUBST(LIBS_TERMCAP)
3170 AC_SUBST(TERMCAP_OBJ)
3173 # Do we have res_init, for detecting changes in /etc/resolv.conf?
3174 # On Darwin, res_init appears not to be useful: see bug#562 and
3175 # http://lists.gnu.org/archive/html/emacs-devel/2007-11/msg01467.html
3178 if test $opsys != darwin; then
3180 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3181 #include <arpa/nameser.h>
3182 #include <resolv.h>]],
3183 [[return res_init();]])],
3184 have_res_init=yes, have_res_init=no)
3185 if test "$have_res_init" = no; then
3187 LIBS="$LIBS -lresolv"
3188 AC_MSG_CHECKING(for res_init with -lresolv)
3189 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3190 #include <arpa/nameser.h>
3191 #include <resolv.h>]],
3192 [[return res_init();]])],
3193 have_res_init=yes, have_res_init=no)
3194 AC_MSG_RESULT($have_res_init)
3195 if test "$have_res_init" = yes ; then
3201 if test "$have_res_init" = yes; then
3202 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
3206 # Do we need the Hesiod library to provide the support routines?
3207 dnl FIXME? Should we be skipping this on Darwin too?
3209 if test "$with_hesiod" != no ; then
3210 # Don't set $LIBS here -- see comments above. FIXME which comments?
3211 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
3212 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
3213 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
3214 if test "$resolv" = yes ; then
3219 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
3220 hesiod=yes, :, $RESOLVLIB)])
3222 if test x"$hesiod" = xyes; then
3223 AC_DEFINE(HAVE_LIBHESIOD, 1,
3224 [Define to 1 if you have the hesiod library (-lhesiod).])
3230 # Do we need libresolv (due to res_init or Hesiod)?
3231 if test "$resolv" = yes && test $opsys != darwin; then
3232 AC_DEFINE(HAVE_LIBRESOLV, 1,
3233 [Define to 1 if you have the resolv library (-lresolv).])
3240 # These tell us which Kerberos-related libraries to use.
3247 if test "${with_kerberos}" != no; then
3248 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
3249 if test $have_com_err = yes; then
3250 COM_ERRLIB=-lcom_err
3251 LIBS="$COM_ERRLIB $LIBS"
3252 AC_DEFINE(HAVE_LIBCOM_ERR, 1, [Define to 1 if you have the `com_err' library (-lcom_err).])
3254 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
3255 if test $have_crypto = yes; then
3257 LIBS="$CRYPTOLIB $LIBS"
3258 AC_DEFINE(HAVE_LIBCRYPTO, 1, [Define to 1 if you have the `crypto' library (-lcrypto).])
3260 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
3261 if test $have_k5crypto = yes; then
3262 CRYPTOLIB=-lk5crypto
3263 LIBS="$CRYPTOLIB $LIBS"
3264 AC_DEFINE(HAVE_LIBK5CRYPTO, 1, [Define to 1 if you have the `k5crypto' library (-lk5crypto).])
3266 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
3267 if test $have_krb5=yes; then
3269 LIBS="$KRB5LIB $LIBS"
3270 AC_DEFINE(HAVE_LIBKRB5, 1, [Define to 1 if you have the `krb5' library (-lkrb5).])
3272 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
3273 if test "${with_kerberos5}" = no; then
3274 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
3275 if test $have_des425 = yes; then
3277 LIBS="$DESLIB $LIBS"
3278 AC_DEFINE(HAVE_LIBDES425, 1, [Define to 1 if you have the `des425' library (-ldes425).])
3280 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
3281 if test $have_des = yes; then
3283 LIBS="$DESLIB $LIBS"
3284 AC_DEFINE(HAVE_LIBDES, 1, [Define to 1 if you have the `des' library (-ldes).])
3287 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
3288 if test $have_krb4 = yes; then
3290 LIBS="$KRB4LIB $LIBS"
3291 AC_DEFINE(HAVE_LIBKRB4, 1, [Define to 1 if you have the `krb4' library (-lkrb4).])
3293 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
3294 if test $have_krb = yes; then
3296 LIBS="$KRB4LIB $LIBS"
3297 AC_DEFINE(HAVE_LIBKRB, 1, [Define to 1 if you have the `krb' library (-lkrb).])
3302 if test "${with_kerberos5}" != no; then
3303 AC_CHECK_HEADERS(krb5.h,
3304 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
3305 [#include <krb5.h>])])
3307 AC_CHECK_HEADERS(des.h,,
3308 [AC_CHECK_HEADERS(kerberosIV/des.h,,
3309 [AC_CHECK_HEADERS(kerberos/des.h)])])
3310 AC_CHECK_HEADERS(krb.h,,
3311 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
3312 [AC_CHECK_HEADERS(kerberos/krb.h)])])
3314 AC_CHECK_HEADERS(com_err.h)
3317 AC_SUBST(COM_ERRLIB)
3323 AC_CHECK_FUNCS_ONCE(tzset)
3324 AC_MSG_CHECKING(whether localtime caches TZ)
3325 AC_CACHE_VAL(emacs_cv_localtime_cache,
3326 [if test x$ac_cv_func_tzset = xyes; then
3327 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <time.h>
3328 char TZ_GMT0[] = "TZ=GMT0";
3329 char TZ_PST8[] = "TZ=PST8";
3332 time_t now = time ((time_t *) 0);
3333 int hour_GMT0, hour_unset;
3334 if (putenv (TZ_GMT0) != 0)
3336 hour_GMT0 = localtime (&now)->tm_hour;
3338 hour_unset = localtime (&now)->tm_hour;
3339 if (putenv (TZ_PST8) != 0)
3341 if (localtime (&now)->tm_hour == hour_GMT0)
3344 if (localtime (&now)->tm_hour != hour_unset)
3347 }]])], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
3348 [# If we have tzset, assume the worst when cross-compiling.
3349 emacs_cv_localtime_cache=yes])
3351 # If we lack tzset, report that localtime does not cache TZ,
3352 # since we can't invalidate the cache if we don't have tzset.
3353 emacs_cv_localtime_cache=no
3355 AC_MSG_RESULT($emacs_cv_localtime_cache)
3356 if test $emacs_cv_localtime_cache = yes; then
3357 AC_DEFINE(LOCALTIME_CACHE, 1,
3358 [Define to 1 if localtime caches TZ.])
3362 AC_CHECK_FUNC(socket, , ok_so_far=no)
3363 if test $ok_so_far = yes; then
3364 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
3366 if test $ok_so_far = yes; then
3367 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
3369 if test $ok_so_far = yes; then
3370 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
3371 AC_DEFINE(HAVE_INET_SOCKETS, 1,
3372 [Define to 1 if you have inet sockets.])
3375 if test -f /usr/lpp/X11/bin/smt.exp; then
3376 AC_DEFINE(HAVE_AIX_SMT_EXP, 1,
3377 [Define to 1 if the file /usr/lpp/X11/bin/smt.exp exists.])
3380 AC_MSG_CHECKING(whether system supports dynamic ptys)
3381 if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
3383 AC_DEFINE(HAVE_DEV_PTMX, 1, [Define to 1 if dynamic ptys are supported.])
3388 dnl Check for a Solaris 2.4 vfork bug that Autoconf misses (through 2.69).
3389 dnl This can be removed once we assume Autoconf 2.70.
3391 *-solaris2.4 | *-solaris2.4.*)
3392 dnl Disable the Autoconf-generated vfork test.
3393 : ${ac_cv_func_vfork_works=no};;
3398 AC_CHECK_FUNCS(snprintf)
3400 dnl Adapted from Haible's version.
3401 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
3402 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
3403 [[char* cs = nl_langinfo(CODESET);]])],
3404 emacs_cv_langinfo_codeset=yes,
3405 emacs_cv_langinfo_codeset=no)
3407 if test $emacs_cv_langinfo_codeset = yes; then
3408 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
3409 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
3414 AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
3415 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[void fred (int x[__restrict]);]], [[]])],
3416 emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
3417 if test "$emacs_cv_c_restrict_arr" = yes; then
3418 AC_DEFINE(__restrict_arr, __restrict,
3419 [Define to compiler's equivalent of C99 restrict keyword in array
3420 declarations. Define as empty for no equivalent.])
3423 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
3424 dnl how the tty code is related to POSIX and/or other versions of termios.
3425 dnl The following looks like a useful start.
3427 dnl AC_SYS_POSIX_TERMIOS
3428 dnl if test $ac_cv_sys_posix_termios = yes; then
3429 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
3430 dnl and macros for terminal control.])
3431 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
3434 dnl Turned on June 1996 supposing nobody will mind it.
3435 AC_DEFINE(AMPERSAND_FULL_NAME, 1, [Define to use the convention that &
3436 in the full name stands for the login id.])
3438 dnl Every platform that uses configure (ie every non-MS platform)
3439 dnl supports this. There is a create-lockfiles option you can
3440 dnl customize if you do not want the lock files to be written.
3441 dnl So it is not clear that this #define still needs to exist.
3442 AC_DEFINE(CLASH_DETECTION, 1, [Define if you want lock files to be written,
3443 so that Emacs can tell instantly when you try to modify a file that
3444 someone else has modified in his/her Emacs.])
3446 dnl Everybody supports this, except MS.
3447 dnl Seems like the kind of thing we should be testing for, though.
3448 ## Note: PTYs are broken on darwin <6. Use at your own risk.
3449 AC_DEFINE(HAVE_PTYS, 1, [Define if the system supports pty devices.])
3451 dnl Everybody supports this, except MS-DOS.
3452 dnl Seems like the kind of thing we should be testing for, though.
3453 dnl Compare with HAVE_INET_SOCKETS (which is unused...) above.
3454 AC_DEFINE(HAVE_SOCKETS, 1, [Define if the system supports
3455 4.2-compatible sockets.])
3457 AH_TEMPLATE(INTERNAL_TERMINAL, [This is substituted when $TERM is "internal".])
3459 AC_DEFINE(NULL_DEVICE, ["/dev/null"], [Name of the file to open to get
3460 a null file, or a data sink.])
3462 AC_DEFINE(SEPCHAR, [':'], [Character that separates PATH elements.])
3464 dnl Everybody supports this, except MS-DOS.
3465 AC_DEFINE(subprocesses, 1, [Define to enable asynchronous subprocesses.])
3467 AC_DEFINE(USER_FULL_NAME, [pw->pw_gecos], [How to get a user's full name.])
3470 AC_DEFINE(DIRECTORY_SEP, ['/'],
3471 [Character that separates directories in a file name.])
3473 dnl Only used on MS platforms.
3474 AH_TEMPLATE(DEVICE_SEP, [Character that separates a device in a file name.])
3476 AC_DEFINE(IS_DEVICE_SEP(_c_), 0,
3477 [Returns true if character is a device separator.])
3479 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == DIRECTORY_SEP)],
3480 [Returns true if character is a directory separator.])
3482 dnl On MS, this also accepts IS_DEVICE_SEP.
3483 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_))],
3484 [Returns true if character is any form of separator.])
3487 AH_TEMPLATE(NO_EDITRES, [Define if XEditRes should not be used.])
3491 dnl Unfortunately without libXmu we cannot support EditRes.
3492 if test x$ac_cv_lib_Xmu_XmuConvertStandardSelection != xyes; then
3493 AC_DEFINE(NO_EDITRES, 1)
3498 dnl Assar Westerlund <assar@sics.se> says this is necessary for
3499 dnl HP-UX 10.20, and that it works for HP-UX 0 as well.
3500 AC_DEFINE(NO_EDITRES, 1)
3506 irix6-5 | sol2* | unixware )
3507 dnl Some SVr4s don't define NSIG in sys/signal.h for ANSI environments;
3508 dnl instead, there's a system variable _sys_nsig. Unfortunately, we
3509 dnl need the constant to dimension an array. So wire in the appropriate
3511 AC_DEFINE(NSIG_MINIMUM, 32, [Minimum value of NSIG.])
3515 emacs_broken_SIGIO=no
3518 dnl SIGIO exists, but the feature doesn't work in the way Emacs needs.
3519 dnl See eg <http://article.gmane.org/gmane.os.openbsd.ports/46831>.
3520 hpux* | irix6-5 | openbsd | sol2* | unixware )
3521 emacs_broken_SIGIO=yes
3525 dnl On AIX Emacs uses the gmalloc.c malloc implementation. But given
3526 dnl the way this system works, libc functions that return malloced
3527 dnl memory use the libc malloc implementation. Calling xfree or
3528 dnl xrealloc on the results of such functions results in a crash.
3530 dnl One solution for this could be to define SYSTEM_MALLOC in configure,
3531 dnl but that does not currently work on this system.
3533 dnl It is possible to completely override the malloc implementation on
3534 dnl AIX, but that involves putting the malloc functions in a shared
3535 dnl library and setting the MALLOCTYPE environment variable to point to
3536 dnl that shared library.
3538 dnl Emacs currently calls xrealloc on the results of get_current_dir name,
3539 dnl to avoid a crash just use the Emacs implementation for that function.
3541 dnl FIXME We could change the AC_CHECK_FUNCS call near the start
3542 dnl of this file, so that we do not check for get_current_dir_name
3543 dnl on AIX. But that might be fragile if something else ends
3544 dnl up testing for get_current_dir_name as a dependency.
3545 AC_DEFINE(BROKEN_GET_CURRENT_DIR_NAME, 1, [Define if
3546 get_current_dir_name should not be used.])
3550 dnl Circumvent a bug in FreeBSD. In the following sequence of
3551 dnl writes/reads on a PTY, read(2) returns bogus data:
3553 dnl write(2) 1022 bytes
3554 dnl write(2) 954 bytes, get EAGAIN
3555 dnl read(2) 1024 bytes in process_read_output
3556 dnl read(2) 11 bytes in process_read_output
3558 dnl That is, read(2) returns more bytes than have ever been written
3559 dnl successfully. The 1033 bytes read are the 1022 bytes written
3560 dnl successfully after processing (for example with CRs added if the
3561 dnl terminal is set up that way which it is here). The same bytes will
3562 dnl be seen again in a later read(2), without the CRs.
3563 AC_DEFINE(BROKEN_PTY_READ_AFTER_EAGAIN, 1, [Define on FreeBSD to
3564 work around an issue when reading from a PTY.])
3570 dnl FIXME Can't we test if this exists (eg /proc/$$)?
3571 AC_DEFINE(HAVE_PROCFS, 1, [Define if you have the /proc filesystem.])
3576 darwin | freebsd | netbsd | openbsd )
3577 AC_DEFINE(DONT_REOPEN_PTY, 1, [Define if process.c does not need to
3578 close a pty to make it a controlling terminal (it is already a
3579 controlling terminal of the subprocess, because we did ioctl TIOCSCTTY).])
3583 dnl FIXME Surely we can test for this rather than hard-code it.
3585 netbsd | openbsd) sound_device="/dev/audio" ;;
3586 *) sound_device="/dev/dsp" ;;
3590 AC_DEFINE_UNQUOTED(DEFAULT_SOUND_DEVICE, "$sound_device",
3591 [Name of the default sound device.])
3594 dnl Emacs can read input using SIGIO and buffering characters itself,
3595 dnl or using CBREAK mode and making C-g cause SIGINT.
3596 dnl The choice is controlled by the variable interrupt_input.
3598 dnl Define INTERRUPT_INPUT to make interrupt_input = 1 the default (use SIGIO)
3600 dnl Emacs uses the presence of the USABLE_SIGIO macro
3601 dnl to indicate whether or not signal-driven I/O is possible. It uses
3602 dnl INTERRUPT_INPUT to decide whether to use it by default.
3604 dnl SIGIO can be used only on systems that implement it (4.2 and 4.3).
3605 dnl CBREAK mode has two disadvantages
3606 dnl 1) At least in 4.2, it is impossible to handle the Meta key properly.
3607 dnl I hear that in system V this problem does not exist.
3608 dnl 2) Control-G causes output to be discarded.
3609 dnl I do not know whether this can be fixed in system V.
3611 dnl Another method of doing input is planned but not implemented.
3612 dnl It would have Emacs fork off a separate process
3613 dnl to read the input and send it to the true Emacs process
3616 darwin | gnu-linux | gnu-kfreebsd )
3617 AC_DEFINE(INTERRUPT_INPUT, 1, [Define to read input using SIGIO.])
3622 dnl If the system's imake configuration file defines `NeedWidePrototypes'
3623 dnl as `NO', we must define NARROWPROTO manually. Such a define is
3624 dnl generated in the Makefile generated by `xmkmf'. If we don't define
3625 dnl NARROWPROTO, we will see the wrong function prototypes for X functions
3626 dnl taking float or double parameters.
3628 cygwin|gnu|gnu-linux|gnu-kfreebsd|irix6-5|freebsd|netbsd|openbsd)
3629 AC_DEFINE(NARROWPROTO, 1, [Define if system's imake configuration
3630 file defines `NeedWidePrototypes' as `NO'.])
3635 dnl Used in process.c, this must be a loop, even if it only runs once.
3636 dnl (Except on SGI; see below. Take that, clarity and consistency!)
3637 AH_TEMPLATE(PTY_ITERATION, [How to iterate over PTYs.])
3638 dnl Only used if !PTY_ITERATION. Iterate from FIRST_PTY_LETTER to z,
3639 dnl trying suffixes 0-16.
3640 AH_TEMPLATE(FIRST_PTY_LETTER, [Letter to use in finding device name of
3641 first PTY, if PTYs are supported.])
3642 AH_TEMPLATE(PTY_OPEN, [How to open a PTY, if non-standard.])
3643 AH_TEMPLATE(PTY_NAME_SPRINTF, [How to get the device name of the control
3644 end of a PTY, if non-standard.])
3645 AH_TEMPLATE(PTY_TTY_NAME_SPRINTF, [How to get device name of the tty
3646 end of a PTY, if non-standard.])
3650 AC_DEFINE(PTY_ITERATION, [int c; for (c = 0; !c ; c++)])
3651 dnl You allocate a pty by opening /dev/ptc to get the master side.
3652 dnl To get the name of the slave side, you just ttyname() the master side.
3653 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptc");])
3654 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [strcpy (pty_name, ttyname (fd));])
3658 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
3659 dnl multi-line AC_DEFINEs are hard. :(
3660 AC_DEFINE(PTY_OPEN, [ do { int dummy; sigset_t blocked, procmask; sigemptyset (&blocked); sigaddset (&blocked, SIGCHLD); pthread_sigmask (SIG_BLOCK, &blocked, &procmask); if (-1 == openpty (&fd, &dummy, pty_name, 0, 0)) fd = -1; pthread_sigmask (SIG_SETMASK, &procmask, 0); if (fd >= 0) emacs_close (dummy); } while (0)])
3661 AC_DEFINE(PTY_NAME_SPRINTF, [])
3662 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
3665 dnl FIXME? Maybe use same as freebsd - see bug#12040.
3667 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
3668 dnl Not used, because PTY_ITERATION is defined.
3669 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
3670 dnl Note that openpty may fork via grantpt on Mac OS X 10.4/Darwin 8.
3671 dnl But we don't have to block SIGCHLD because it is blocked in the
3672 dnl implementation of grantpt.
3673 AC_DEFINE(PTY_OPEN, [ do { int slave; if (openpty (&fd, &slave, pty_name, NULL, NULL) == -1) fd = -1; else emacs_close (slave); } while (0)])
3674 AC_DEFINE(PTY_NAME_SPRINTF, [])
3675 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
3679 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
3682 gnu-linux | gnu-kfreebsd | freebsd | netbsd )
3684 if test "x$ac_cv_func_grantpt" = xyes; then
3685 AC_DEFINE(UNIX98_PTYS, 1, [Define if the system has Unix98 PTYs.])
3686 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
3687 dnl Note that grantpt and unlockpt may fork. We must block SIGCHLD
3688 dnl to prevent sigchld_handler from intercepting the child's death.
3689 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [{ char *ptyname = 0; sigset_t blocked; sigemptyset (&blocked); sigaddset (&blocked, SIGCHLD); pthread_sigmask (SIG_BLOCK, &blocked, 0); if (grantpt (fd) != -1 && unlockpt (fd) != -1) ptyname = ptsname(fd); pthread_sigmask (SIG_UNBLOCK, &blocked, 0); if (!ptyname) { close (fd); return -1; } snprintf (pty_name, sizeof pty_name, "%s", ptyname); }])
3690 dnl if HAVE_POSIX_OPENPT
3691 if test "x$ac_cv_func_posix_openpt" = xyes; then
3692 AC_DEFINE(PTY_OPEN, [fd = posix_openpt (O_RDWR | O_NOCTTY)])
3693 AC_DEFINE(PTY_NAME_SPRINTF, [])
3695 elif test "x$ac_cv_func_getpt" = xyes; then
3696 AC_DEFINE(PTY_OPEN, [fd = getpt ()])
3697 AC_DEFINE(PTY_NAME_SPRINTF, [])
3699 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
3702 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
3707 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
3708 AC_DEFINE(PTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/ptym/pty%c%x", c, i);])
3709 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/pty/tty%c%x", c, i);])
3713 dnl It looks like this cannot be right, because it is not a loop.
3714 dnl However, process.c actually does this:
3720 dnl which presumably makes it OK, since irix == sgi (?).
3721 dnl FIXME it seems like this special treatment is unnecessary?
3722 dnl Why can't irix use a single-trip loop like eg cygwin?
3723 AC_DEFINE(PTY_ITERATION, [])
3724 dnl Not used, because PTY_ITERATION is defined.
3725 AC_DEFINE(FIRST_PTY_LETTER, ['q'])
3726 AC_DEFINE(PTY_OPEN, [ { struct sigaction ocstat, cstat; struct stat stb; char * name; sigemptyset(&cstat.sa_mask); cstat.sa_handler = SIG_DFL; cstat.sa_flags = 0; sigaction(SIGCHLD, &cstat, &ocstat); name = _getpty (&fd, O_RDWR | O_NDELAY, 0600, 0); sigaction(SIGCHLD, &ocstat, (struct sigaction *)0); if (name == 0) return -1; if (fd < 0) return -1; if (fstat (fd, &stb) < 0) return -1; strcpy (pty_name, name); }])
3727 dnl No need to get the pty name at all.
3728 AC_DEFINE(PTY_NAME_SPRINTF, [])
3729 dnl No need to use sprintf to get the tty name--we get that from _getpty.
3730 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
3734 dnl On SysVr4, grantpt(3) forks a subprocess, so keep sigchld_handler()
3735 dnl from intercepting that death. If any child but grantpt's should die
3736 dnl within, it should be caught after sigrelse(2).
3737 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [{ char *ptsname (int), *ptyname; int grantpt_result; sigset_t blocked; sigemptyset (&blocked); sigaddset (&blocked, SIGCHLD); pthread_sigmask (SIG_BLOCK, &blocked, 0); grantpt_result = grantpt (fd); pthread_sigmask (SIG_UNBLOCK, &blocked, 0); if (grantpt_result == -1 || unlockpt (fd) == -1 || !(ptyname = ptsname (fd))) { emacs_close (fd); return -1; } snprintf (pty_name, sizeof pty_name, "%s", ptyname); }])
3741 dnl Comments are as per sol2*.
3742 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [{ char *ptsname (int), *ptyname; int grantpt_result; sigset_t blocked; sigemptyset (&blocked); sigaddset (&blocked, SIGCHLD); pthread_sigmask (SIG_BLOCK, &blocked, 0); grantpt_result = grantpt (fd); pthread_sigmask (SIG_UNBLOCK, &blocked, 0); if (grantpt_result == -1) fatal("could not grant slave pty"); if (unlockpt(fd) == -1) fatal("could not unlock slave pty"); if (!(ptyname = ptsname(fd))) fatal ("could not enable slave pty"); snprintf (pty_name, sizeof pty_name, "%s", ptyname); }])
3749 dnl This change means that we don't loop through allocate_pty too
3750 dnl many times in the (rare) event of a failure.
3751 AC_DEFINE(FIRST_PTY_LETTER, ['z'])
3752 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
3753 dnl Push various streams modules onto a PTY channel. Used in process.c.
3754 AC_DEFINE(SETUP_SLAVE_PTY, [if (ioctl (xforkin, I_PUSH, "ptem") == -1) fatal ("ioctl I_PUSH ptem"); if (ioctl (xforkin, I_PUSH, "ldterm") == -1) fatal ("ioctl I_PUSH ldterm"); if (ioctl (xforkin, I_PUSH, "ttcompat") == -1) fatal ("ioctl I_PUSH ttcompat");], [How to set up a slave PTY, if needed.])
3759 AH_TEMPLATE(SIGNALS_VIA_CHARACTERS, [Make process_send_signal work by
3760 "typing" a signal character on the pty.])
3763 dnl Perry Smith <pedz@ddivt1.austin.ibm.com> says this is correct for AIX.
3764 dnl thomas@mathematik.uni-bremen.de says this is needed for IRIX.
3765 aix4-2 | cygwin | gnu | irix6-5 | freebsd | netbsd | openbsd | darwin )
3766 AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
3769 dnl 21 Jun 06: Eric Hanchrow <offby1@blarg.net> says this works.
3770 dnl FIXME Does gnu-kfreebsd have linux/version.h? It seems unlikely...
3771 gnu-linux | gnu-kfreebsd )
3773 AC_MSG_CHECKING([for signals via characters])
3774 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
3775 #include <linux/version.h>
3776 #if LINUX_VERSION_CODE < 0x20400
3777 # error "Linux version too old"
3779 ]], [[]])], emacs_signals_via_chars=yes, emacs_signals_via_chars=no)
3781 AC_MSG_RESULT([$emacs_signals_via_chars])
3782 test $emacs_signals_via_chars = yes && AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
3787 dnl Used in vm-limit.c
3788 AH_TEMPLATE(DATA_START, [Address of the start of the data segment.])
3789 dnl Used in lisp.h, emacs.c, mem-limits.h
3790 dnl NEWS.18 describes this as "a number which contains
3791 dnl the high bits to be inclusive or'ed with pointers that are unpacked."
3792 AH_TEMPLATE(DATA_SEG_BITS, [Extra bits to be or'd in with any pointers
3793 stored in a Lisp_Object.])
3794 dnl if Emacs uses fewer than 32 bits for the value field of a LISP_OBJECT.
3798 dnl libc defines data_start.
3799 AC_DEFINE(DATA_START, [({ extern int data_start; (char *) &data_start; })])
3803 dnl The data segment on this machine always starts at address 0x40000000.
3804 AC_DEFINE(DATA_START, [0x40000000])
3805 AC_DEFINE(DATA_SEG_BITS, [0x40000000])
3808 AC_DEFINE(DATA_START, [0x10000000])
3809 AC_DEFINE(DATA_SEG_BITS, [0x10000000])
3814 AH_TEMPLATE(TAB3, [Undocumented.])
3817 darwin) AC_DEFINE(TAB3, OXTABS) ;;
3819 gnu | freebsd | netbsd | openbsd )
3820 AC_DEFINE(TABDLY, OXTABS, [Undocumented.])
3821 AC_DEFINE(TAB3, OXTABS)
3824 gnu-linux | gnu-kfreebsd )
3825 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
3829 ]], [[]])], AC_DEFINE(GC_MARK_SECONDARY_STACK(),
3830 [do { extern void *__libc_ia64_register_backing_store_base; __builtin_ia64_flushrs (); mark_memory (__libc_ia64_register_backing_store_base, __builtin_ia64_bsp ());} while (0)],
3831 [Mark a secondary stack, like the register stack on the ia64.]), [])
3835 AC_DEFINE(RUN_TIME_REMAP, 1, [Define if emacs.c needs to call
3836 run_time_remap; for HPUX.])
3841 dnl These won't be used automatically yet. We also need to know, at least,
3842 dnl that the stack is continuous.
3843 AH_TEMPLATE(GC_SETJMP_WORKS, [Define if setjmp is known to save all
3844 registers relevant for conservative garbage collection in the jmp_buf.])
3846 AH_TEMPLATE(GC_MARK_STACK, [Define to GC_USE_GCPROS_AS_BEFORE if
3847 conservative garbage collection is not known to work.])
3851 aix4-2 | hpux* | unixware)
3852 dnl Conservative garbage collection has not been tested, so for now
3853 dnl play it safe and stick with the old-fashioned way of marking.
3854 AC_DEFINE(GC_MARK_STACK, [GC_USE_GCPROS_AS_BEFORE])
3857 dnl Not all the architectures are tested, but there are Debian packages
3858 dnl for SCM and/or Guile on them, so the technique must work. See also
3859 dnl comments in alloc.c concerning setjmp and gcc.
3860 dnl Fixme: it's probably safe to just use the GCC conditional below.
3861 gnu-linux | gnu-kfreebsd )
3862 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
3863 #if defined __i386__ || defined __sparc__ || defined __mc68000__ \
3864 || defined __alpha__ || defined __mips__ || defined __s390__ \
3865 || defined __arm__ || defined __powerpc__ || defined __amd64__ \
3866 || defined __ia64__ || defined __sh__
3869 # error "setjmp not known to work on this arch"
3871 ]], [[]])], AC_DEFINE(GC_SETJMP_WORKS, 1),
3872 AC_DEFINE(GC_MARK_STACK, [GC_USE_GCPROS_AS_BEFORE]) )
3877 if test x$GCC = xyes; then
3878 dnl GC_SETJMP_WORKS is nearly always appropriate for GCC.
3879 AC_DEFINE(GC_SETJMP_WORKS, 1)
3882 dnl irix: Tested on Irix 6.5. SCM worked on earlier versions.
3883 freebsd | netbsd | openbsd | irix6-5 | sol2* )
3884 AC_DEFINE(GC_SETJMP_WORKS, 1)
3889 AC_CACHE_CHECK([for _setjmp], [emacs_cv_func__setjmp],
3892 [[#include <setjmp.h>
3896 _longjmp (j, 1);]])],
3897 [emacs_cv_func__setjmp=yes],
3898 [emacs_cv_func__setjmp=no])])
3899 if test $emacs_cv_func__setjmp = yes; then
3900 AC_DEFINE([HAVE__SETJMP], 1, [Define to 1 if _setjmp and _longjmp work.])
3902 AC_CACHE_CHECK([for sigsetjmp], [emacs_cv_func_sigsetjmp],
3905 [[#include <setjmp.h>
3908 if (! sigsetjmp (j, 1))
3909 siglongjmp (j, 1);]])],
3910 [emacs_cv_func_sigsetjmp=yes],
3911 [emacs_cv_func_sigsetjmp=no])])
3912 if test $emacs_cv_func_sigsetjmp = yes; then
3913 AC_DEFINE([HAVE_SIGSETJMP], 1,
3914 [Define to 1 if sigsetjmp and siglongjmp work.
3915 The value of this symbol is irrelevant if HAVE__SETJMP is defined.])
3921 dnl TIOCGPGRP is broken in SysVr4, so we can't send signals to PTY
3922 dnl subprocesses the usual way. But TIOCSIGNAL does work for PTYs,
3923 dnl and this is all we need.
3924 AC_DEFINE(TIOCSIGSEND, TIOCSIGNAL, [Some platforms redefine this.])
3931 dnl Used in xfaces.c.
3932 AC_DEFINE(XOS_NEEDS_TIME_H, 1, [Compensate for a bug in Xos.h on
3933 some systems, where it requires time.h.])
3938 dnl Define symbols to identify the version of Unix this is.
3939 dnl Define all the symbols that apply correctly.
3940 AH_TEMPLATE(BSD_SYSTEM, [Define if the system is compatible with BSD 4.2.])
3941 AH_TEMPLATE(DOS_NT, [Define if the system is MS DOS or MS Windows.])
3942 AH_TEMPLATE(MSDOS, [Define if the system is MS DOS.])
3943 AH_TEMPLATE(USG, [Define if the system is compatible with System III.])
3944 AH_TEMPLATE(USG5, [Define if the system is compatible with System V.])
3945 AH_TEMPLATE(USG5_4, [Define if the system is compatible with System V Release 4.])
3951 dnl This symbol should be defined on AIX Version 3 ???????
3952 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
3954 # error "_AIX not defined"
3956 ]], [[]])], [], AC_DEFINE(_AIX, [], [Define if the system is AIX.]))
3960 AC_DEFINE(CYGWIN, 1, [Define if the system is Cygwin.])
3964 dnl BSD4_3 and BSD4_4 are already defined in sys/param.h.
3965 AC_DEFINE(BSD_SYSTEM, [])
3966 dnl More specific than the above two. We cannot use __APPLE__ as this
3967 dnl may not be defined on non-OSX Darwin, and we cannot define DARWIN
3968 dnl here because Panther and lower CoreFoundation.h uses DARWIN to
3969 dnl distinguish OS X from pure Darwin.
3970 AC_DEFINE(DARWIN_OS, [], [Define if the system is Darwin.])
3974 dnl Hack to avoid calling AC_PREPROC_IFELSE multiple times.
3975 dnl Would not be needed with autoconf >= 2.67, where the
3976 dnl preprocessed output is accessible in "conftest.i".
3977 AC_DEFINE(BSD_SYSTEM_AHB, 1, [Define if AH_BOTTOM should change BSD_SYSTEM.])
3980 gnu | netbsd | openbsd )
3981 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
3983 # error "BSD_SYSTEM not defined"
3985 ]], [[]])], [], AC_DEFINE(BSD_SYSTEM, 43) )
3988 gnu-linux | gnu-kfreebsd )
3990 AC_DEFINE(GNU_LINUX, [], [Define if ths system is compatible with GNU/Linux.])
3996 AC_DEFINE(HPUX, [], [Define if the system is HPUX.])
4002 AC_DEFINE(USG5_4, [])
4003 AC_DEFINE(IRIX6_5, [], [Define if the system is IRIX.])
4009 AC_DEFINE(USG5_4, [])
4010 AC_DEFINE(SOLARIS2, [], [Define if the system is Solaris.])
4016 AC_DEFINE(USG5_4, [])
4020 AC_CACHE_CHECK([for usable FIONREAD], [emacs_cv_usable_FIONREAD],
4023 dnl BUILD 9008 - FIONREAD problem still exists in X-Windows.
4024 emacs_cv_usable_FIONREAD=no
4029 [AC_LANG_PROGRAM([[#include <sys/types.h>
4030 #include <sys/ioctl.h>
4032 # include <sys/filio.h>
4035 [[int foo = ioctl (0, FIONREAD, &foo);]])],
4036 [emacs_cv_usable_FIONREAD=yes],
4037 [emacs_cv_usable_FIONREAD=no])
4040 if test $emacs_cv_usable_FIONREAD = yes; then
4041 AC_DEFINE([USABLE_FIONREAD], [1], [Define to 1 if FIONREAD is usable.])
4043 if test $emacs_broken_SIGIO = no; then
4044 AC_CACHE_CHECK([for usable SIGIO], [emacs_cv_usable_SIGIO],
4046 [AC_LANG_PROGRAM([[#include <fcntl.h>
4049 [[int foo = SIGIO | F_SETFL | FASYNC;]])],
4050 [emacs_cv_usable_SIGIO=yes],
4051 [emacs_cv_usable_SIGIO=no])],
4052 [emacs_cv_usable_SIGIO=yes],
4053 [emacs_cv_usable_SIGIO=no])
4054 if test $emacs_cv_usable_SIGIO = yes; then
4055 AC_DEFINE([USABLE_SIGIO], [1], [Define to 1 if SIGIO is usable.])
4062 dnl Emacs supplies its own malloc, but glib (part of Gtk+) calls
4063 dnl memalign and on Cygwin, that becomes the Cygwin-supplied memalign.
4064 dnl As malloc is not the Cygwin malloc, the Cygwin memalign always
4065 dnl returns ENOSYS. A workaround is to set G_SLICE=always-malloc. */
4067 AC_DEFINE(G_SLICE_ALWAYS_MALLOC, 1, [Define to set the
4068 G_SLICE environment variable to "always-malloc" at startup, if
4073 dnl It works to open the pty's tty in the parent (Emacs), then
4074 dnl close and reopen it in the child.
4075 AC_DEFINE(USG_SUBTTY_WORKS, 1, [Define for USG systems where it
4076 works to open a pty's tty in the parent process, then close and
4077 reopen it in the child.])
4081 AC_DEFINE(PREFER_VSUSP, 1, [Define if process_send_signal should
4082 use VSUSP instead of VSWTCH.])
4086 AC_DEFINE(_STRUCTURED_PROC, 1, [Needed for system_process_attributes
4091 # Set up the CFLAGS for real compilation, so we can substitute it.
4092 CFLAGS="$REAL_CFLAGS"
4093 CPPFLAGS="$REAL_CPPFLAGS"
4095 ## Hack to detect a buggy GCC version.
4096 if test "x$GCC" = xyes \
4097 && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \
4098 && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \
4099 && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then
4100 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.])
4103 version=$PACKAGE_VERSION
4105 copyright="Copyright (C) 2013 Free Software Foundation, Inc."
4106 AC_DEFINE_UNQUOTED(COPYRIGHT, ["$copyright"],
4107 [Short copyright string for this version of Emacs.])
4110 ### Specify what sort of things we'll be editing into Makefile and config.h.
4111 ### Use configuration here uncanonicalized to avoid exceeding size limits.
4113 AC_SUBST(configuration)
4118 AC_SUBST(exec_prefix)
4121 AC_SUBST(sharedstatedir)
4122 AC_SUBST(libexecdir)
4127 AC_SUBST(standardlisppath)
4128 AC_SUBST(locallisppath)
4130 AC_SUBST(x_default_search_path)
4132 AC_SUBST(archlibdir)
4137 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
4138 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
4139 ## end of LIBX_BASE, but nothing ever set it.
4140 AC_SUBST(LD_SWITCH_X_SITE)
4141 AC_SUBST(C_SWITCH_X_SITE)
4142 AC_SUBST(GNUSTEP_CFLAGS)
4144 ## Used in lwlib/Makefile.in.
4145 AC_SUBST(X_TOOLKIT_TYPE)
4147 AC_SUBST(ns_appbindir)
4148 AC_SUBST(ns_appresdir)
4150 AC_SUBST(GNU_OBJC_CFLAGS)
4151 AC_SUBST(OTHER_FILES)
4153 if test -n "${term_header}"; then
4154 AC_DEFINE_UNQUOTED(TERM_HEADER, "${term_header}",
4155 [Define to the header for the built-in window system.])
4158 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
4159 [Define to the canonical Emacs configuration name.])
4160 dnl Replace any embedded " characters (bug#13274).
4161 emacs_config_options=`echo "$emacs_config_options" | sed -e "s/\"/'/g"`
4162 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${emacs_config_options}",
4163 [Define to the options passed to configure.])
4164 AH_TEMPLATE(config_opsysfile, [Some platforms that do not use configure
4165 define this to include extra configuration information.])
4170 if test "${HAVE_X_WINDOWS}" = "yes" ; then
4171 AC_DEFINE(HAVE_X_WINDOWS, 1,
4172 [Define to 1 if you want to use the X window system.])
4174 XOBJ="xterm.o xfns.o xselect.o xrdb.o xsmfns.o xsettings.o xgselect.o"
4176 if test "$HAVE_XFT" = "yes"; then
4177 FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
4178 elif test "$HAVE_FREETYPE" = "yes"; then
4179 FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
4189 if test "${USE_X_TOOLKIT}" != "none" ; then
4191 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
4192 if test "${USE_X_TOOLKIT}" = "LUCID"; then
4193 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
4194 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
4195 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
4199 ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
4200 MOTIF_LIBW="$MOTIF_LIBW -lXpm"
4204 ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
4205 ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
4206 MOTIF_LIBW="MOTIF_LIBW -lXimp"
4210 ## olson@mcs.anl.gov says -li18n is needed by -lXm.
4211 MOTIF_LIBW="$MOTIF_LIBW -li18n"
4214 MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
4217 AC_SUBST(WIDGET_OBJ)
4220 case "$USE_X_TOOLKIT" in
4221 MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
4222 LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
4223 none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS -lXcomposite" ;;
4225 AC_SUBST(TOOLKIT_LIBW)
4227 if test "$USE_X_TOOLKIT" = "none"; then
4228 LIBXT_OTHER="\$(LIBXSM)"
4229 OLDXMENU_TARGET="really-oldXMenu"
4231 LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
4232 OLDXMENU_TARGET="really-lwlib"
4234 AC_SUBST(LIBXT_OTHER)
4236 ## The X Menu stuff is present in the X10 distribution, but missing
4237 ## from X11. If we have X10, just use the installed library;
4238 ## otherwise, use our own copy.
4239 if test "${HAVE_X11}" = "yes" ; then
4240 AC_DEFINE(HAVE_X11, 1,
4241 [Define to 1 if you want to use version 11 of X windows.
4242 Otherwise, Emacs expects to use version 10.])
4244 if test "$USE_X_TOOLKIT" = "none"; then
4245 OLDXMENU="\${oldXMenudir}/libXMenu11.a"
4247 OLDXMENU="\${lwlibdir}/liblw.a"
4249 LIBXMENU="\$(OLDXMENU)"
4250 LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
4251 OLDXMENU_DEPS="\${OLDXMENU} ../src/\${OLDXMENU}"
4253 ## For a syntactically valid Makefile; not actually used for anything.
4254 ## See comments in src/Makefile.in.
4256 ## FIXME This case (!HAVE_X11 && HAVE_X_WINDOWS) is no longer possible(?).
4257 if test "${HAVE_X_WINDOWS}" = "yes"; then
4266 if test "$HAVE_GTK" = "yes" || test "$HAVE_MENUS" != "yes"; then
4273 AC_SUBST(OLDXMENU_TARGET)
4276 AC_SUBST(LIBX_OTHER)
4277 AC_SUBST(OLDXMENU_DEPS)
4279 if test "${HAVE_MENUS}" = "yes" ; then
4280 AC_DEFINE(HAVE_MENUS, 1,
4281 [Define to 1 if you have mouse menus.
4282 (This is automatic if you use X, but the option to specify it remains.)
4283 It is also defined with other window systems that support xmenu.c.])
4286 if test "${GNU_MALLOC}" = "yes" ; then
4287 AC_DEFINE(GNU_MALLOC, 1,
4288 [Define to 1 if you want to use the GNU memory allocator.])
4292 if test "${REL_ALLOC}" = "yes" ; then
4293 AC_DEFINE(REL_ALLOC, 1,
4294 [Define REL_ALLOC if you want to use the relocating allocator for
4297 test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
4299 AC_SUBST(RALLOC_OBJ)
4301 if test "$opsys" = "cygwin"; then
4302 CYGWIN_OBJ="sheap.o cygw32.o"
4303 ## Cygwin differs because of its unexec().
4305 POST_ALLOC_OBJ=lastfile.o
4308 PRE_ALLOC_OBJ=lastfile.o
4311 AC_SUBST(CYGWIN_OBJ)
4312 AC_SUBST(PRE_ALLOC_OBJ)
4313 AC_SUBST(POST_ALLOC_OBJ)
4315 # Configure gnulib. Although this does not affect CFLAGS or LIBS permanently.
4316 # it temporarily reverts them to their pre-pkg-config values,
4317 # because gnulib needs to work with both src (which uses the
4318 # pkg-config stuff) and lib-src (which does not). For example, gnulib
4319 # may need to determine whether LIB_CLOCK_GETTIME should contain -lrt,
4320 # and it therefore needs to run in an environment where LIBS does not
4321 # already contain -lrt merely because 'pkg-config --libs' printed '-lrt'
4322 # for some package unrelated to lib-src.
4325 CFLAGS=$pre_PKG_CONFIG_CFLAGS
4326 LIBS="$LIB_PTHREAD $pre_PKG_CONFIG_LIBS"
4327 gl_ASSERT_NO_GNULIB_POSIXCHECK
4328 gl_ASSERT_NO_GNULIB_TESTS
4334 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
4337 ## The -headerpad option tells ld (see man page) to leave room at the
4338 ## end of the header for adding load commands. Needed for dumping.
4339 ## 0x690 is the total size of 30 segment load commands (at 56
4340 ## each); under Cocoa 31 commands are required.
4341 if test "$HAVE_NS" = "yes"; then
4342 libs_nsgui="-framework AppKit"
4348 LD_SWITCH_SYSTEM_TEMACS="-fno-pie -prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
4350 ## This is here because src/Makefile.in did some extra fiddling around
4351 ## with LD_SWITCH_SYSTEM. The cpp logic was:
4352 ## #ifndef LD_SWITCH_SYSTEM
4353 ## #if !defined (__GNUC__) && ((defined (BSD_SYSTEM) && !defined (COFF)))
4354 ## Since all the *bsds define LD_SWITCH_SYSTEM, this simplifies to:
4355 ## not using gcc, darwin.
4356 ## Because this was done in src/Makefile.in, the resulting part of
4357 ## LD_SWITCH_SYSTEM was not used in configure (ie, in ac_link).
4358 ## It therefore seems cleaner to put this in LD_SWITCH_SYSTEM_TEMACS,
4359 ## rather than LD_SWITCH_SYSTEM.
4360 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
4361 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
4364 ## LD_SWITCH_X_SITE_RPATH is a -rpath option saying where to
4365 ## find X at run-time.
4366 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at the
4367 ## point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_RPATH
4368 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
4369 ## had different values in configure (in ac_link) and src/Makefile.in.
4370 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
4371 gnu*) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_RPATH)" ;;
4373 *) LD_SWITCH_SYSTEM_TEMACS= ;;
4376 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
4382 ## gnu: GNU needs its own crt0.
4383 aix4-2|cygwin|darwin|gnu|hpux*|irix6-5|sol2*|unixware) ORDINARY_LINK=yes ;;
4385 ## On post 1.3 releases of NetBSD, gcc -nostdlib also clears the
4386 ## library search parth, i.e. it won't search /usr/lib for libc and
4387 ## friends. Using -nostartfiles instead avoids this problem, and
4388 ## will also work on earlier NetBSD releases.
4389 netbsd|openbsd) LD_FIRSTFLAG="-nostartfiles" ;;
4391 ## powerpc*: NAKAJI Hiroyuki <nakaji@tutrp.tut.ac.jp> says
4392 ## MkLinux/LinuxPPC needs this.
4393 ## s390x-* only supports opsys = gnu-linux so it can be added here.
4395 case "$canonical" in
4396 powerpc*|s390x-*) LD_FIRSTFLAG="-nostdlib" ;;
4402 if test "x$ORDINARY_LINK" = "xyes"; then
4405 AC_DEFINE(ORDINARY_LINK, 1, [Define if the C compiler is the linker.])
4407 ## The system files defining neither ORDINARY_LINK nor LD_FIRSTFLAG are:
4408 ## freebsd, gnu-* not on powerpc*|s390x*.
4409 elif test "x$GCC" = "xyes" && test "x$LD_FIRSTFLAG" = "x"; then
4411 ## Versions of GCC >= 2.0 put their library, libgcc.a, in obscure
4412 ## places that are difficult to figure out at make time. Fortunately,
4413 ## these same versions allow you to pass arbitrary flags on to the
4414 ## linker, so there is no reason not to use it as a linker.
4416 ## Well, it is not quite perfect. The "-nostdlib" keeps GCC from
4417 ## searching for libraries in its internal directories, so we have to
4418 ## ask GCC explicitly where to find libgcc.a (LIB_GCC below).
4419 LD_FIRSTFLAG="-nostdlib"
4422 ## FIXME? What setting of EDIT_LDFLAGS should this have?
4423 test "$NS_IMPL_GNUSTEP" = "yes" && LD_FIRSTFLAG="-rdynamic"
4425 AC_SUBST(LD_FIRSTFLAG)
4428 ## FIXME? The logic here is not precisely the same as that above.
4429 ## There is no check here for a pre-defined LD_FIRSTFLAG.
4430 ## Should we only be setting LIB_GCC if LD ~ -nostdlib?
4432 if test "x$GCC" = "xyes" && test "x$ORDINARY_LINK" != "xyes"; then
4435 freebsd|netbsd|openbsd) LIB_GCC= ;;
4438 ## armin76@gentoo.org reported that the lgcc_s flag is necessary to
4439 ## build on ARM EABI under GNU/Linux. (Bug#5518)
4445 ## FIXME? s/gnu-linux.h used to define LIB_GCC as below, then
4446 ## immediately undefine it again and redefine it to empty.
4447 ## Was the C_SWITCH_X_SITE part really necessary?
4448 ## LIB_GCC=`$CC $C_SWITCH_X_SITE -print-libgcc-file-name`
4454 ## Ask GCC where to find libgcc.a.
4455 *) LIB_GCC=`$CC -print-libgcc-file-name 2> /dev/null` ;;
4460 ## Common for all window systems
4461 if test "$window_system" != "none"; then
4462 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
4463 WINDOW_SYSTEM_OBJ="fontset.o fringe.o image.o"
4466 AC_SUBST(WINDOW_SYSTEM_OBJ)
4468 AH_TOP([/* GNU Emacs site configuration template file.
4470 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2012
4471 Free Software Foundation, Inc.
4473 This file is part of GNU Emacs.
4475 GNU Emacs is free software: you can redistribute it and/or modify
4476 it under the terms of the GNU General Public License as published by
4477 the Free Software Foundation, either version 3 of the License, or
4478 (at your option) any later version.
4480 GNU Emacs is distributed in the hope that it will be useful,
4481 but WITHOUT ANY WARRANTY; without even the implied warranty of
4482 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
4483 GNU General Public License for more details.
4485 You should have received a copy of the GNU General Public License
4486 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
4489 /* No code in Emacs #includes config.h twice, but some bits of code
4490 intended to work with other packages as well (like gmalloc.c)
4491 think they can include it as many times as they like. */
4492 #ifndef EMACS_CONFIG_H
4493 #define EMACS_CONFIG_H
4496 AH_BOTTOM([#include <conf_post.h>
4498 #endif /* EMACS_CONFIG_H */
4507 #### Report on what we decided to do.
4508 #### Report GTK as a toolkit, even if it doesn't use Xt.
4509 #### It makes printing result more understandable as using GTK sets
4510 #### toolkit_scroll_bars to yes by default.
4511 if test "${HAVE_GTK}" = "yes"; then
4512 USE_X_TOOLKIT="$USE_GTK_TOOLKIT"
4516 Configured for \`${canonical}'.
4518 Where should the build process find the source code? ${srcdir}
4519 What compiler should emacs be built with? ${CC} ${CFLAGS}
4520 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
4521 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
4522 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
4523 What window system should Emacs use? ${window_system}
4524 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
4526 if test -n "${x_includes}"; then
4527 echo " Where do we find X Windows header files? ${x_includes}"
4529 echo " Where do we find X Windows header files? Standard dirs"
4531 if test -n "${x_libraries}"; then
4532 echo " Where do we find X Windows libraries? ${x_libraries}"
4534 echo " Where do we find X Windows libraries? Standard dirs"
4537 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
4538 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
4539 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
4540 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
4541 echo " Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF"
4542 echo " Does Emacs use -lpng? ${HAVE_PNG}"
4543 echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
4544 echo " Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}"
4546 echo " Does Emacs use -lgpm? ${HAVE_GPM}"
4547 echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
4548 echo " Does Emacs use -lgconf? ${HAVE_GCONF}"
4549 echo " Does Emacs use GSettings? ${HAVE_GSETTINGS}"
4550 echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}"
4551 echo " Does Emacs use -lgnutls? ${HAVE_GNUTLS}"
4552 echo " Does Emacs use -lxml2? ${HAVE_LIBXML2}"
4554 echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
4555 echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
4556 echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
4557 echo " Does Emacs use -lxft? ${HAVE_XFT}"
4559 echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
4561 echo " Does Emacs support Xwidgets? ${HAVE_XWIDGETS}"
4562 echo " Does xwidgets support webkit(requires gtk3)? ${HAVE_WEBKIT}"
4563 echo " Does xwidgets support gobject introspection? ${HAVE_GIR}"
4564 echo " Does xwidgets support clutter(demo code)? ${HAVE_CLUTTER}"
4565 echo " Does xwidgets support goocanvas(demo code)? ${HAVE_GOOCANVAS}"
4568 if test -n "${EMACSDATA}"; then
4569 echo " Environment variable EMACSDATA set to: $EMACSDATA"
4571 if test -n "${EMACSDOC}"; then
4572 echo " Environment variable EMACSDOC set to: $EMACSDOC"
4577 if test "$HAVE_NS" = "yes"; then
4579 echo "You must run \"${MAKE-make} install\" in order to test the built application.
4580 The installed application will go to nextstep/Emacs.app and can be
4581 run or moved from there."
4582 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
4583 echo "The application will be fully self-contained."
4585 echo "The lisp resources for the application will be installed under ${prefix}.
4586 You may need to run \"${MAKE-make} install\" with sudo. The application will fail
4587 to run if these resources are not installed."
4592 if test "${opsys}" = "cygwin"; then
4594 1.5.*) AC_MSG_WARN([[building Emacs on Cygwin 1.5 is not supported.]])
4600 # Remove any trailing slashes in these variables.
4601 [test "${prefix}" != NONE &&
4602 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
4603 test "${exec_prefix}" != NONE &&
4604 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
4606 if test "$HAVE_NS" = "yes"; then
4607 if test "$NS_IMPL_GNUSTEP" = yes; then
4608 AC_CONFIG_FILES([nextstep/GNUstep/Emacs.base/Resources/Info-gnustep.plist:nextstep/templates/Info-gnustep.plist.in \
4609 nextstep/GNUstep/Emacs.base/Resources/Emacs.desktop:nextstep/templates/Emacs.desktop.in])
4611 AC_CONFIG_FILES([nextstep/Cocoa/Emacs.base/Contents/Info.plist:nextstep/templates/Info.plist.in \
4612 nextstep/Cocoa/Emacs.base/Contents/Resources/English.lproj/InfoPlist.strings:nextstep/templates/InfoPlist.strings.in])
4616 dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES.
4617 dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory
4618 dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable
4619 dnl (else you get "no `Makefile.am' found for any configure output").
4620 dnl This will work, but you get a config.status that is not quite right
4621 dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html).
4622 dnl That doesn't have any obvious consequences for Emacs, but on the whole
4623 dnl it seems better to just live with the duplication.
4624 SUBDIR_MAKEFILES="lib/Makefile lib-src/Makefile oldXMenu/Makefile doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile leim/Makefile nextstep/Makefile"
4626 AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
4627 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
4628 doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \
4629 leim/Makefile nextstep/Makefile])
4631 dnl test/ is not present in release tarfiles.
4632 opt_makefile=test/automated/Makefile
4634 if test -f "$srcdir/$opt_makefile.in"; then
4635 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
4636 dnl Again, it's best not to use a variable. Though you can add
4637 dnl ", [], [opt_makefile='$opt_makefile']" and it should work.
4638 AC_CONFIG_FILES([test/automated/Makefile])
4642 dnl admin/ may or may not be present.
4643 opt_makefile=admin/unidata/Makefile
4645 if test -f "$srcdir/$opt_makefile.in"; then
4646 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
4647 AC_CONFIG_FILES([admin/unidata/Makefile])
4651 SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'`
4653 AC_SUBST(SUBDIR_MAKEFILES_IN)
4655 dnl Make the necessary directories, if they don't exist.
4656 AC_CONFIG_COMMANDS([mkdirs], [
4657 for dir in etc lisp ; do
4658 test -d ${dir} || mkdir ${dir}
4662 dnl You might wonder (I did) why epaths.h is generated by running make,
4663 dnl rather than just letting configure generate it from epaths.in.
4664 dnl One reason is that the various paths are not fully expanded (see above);
4665 dnl eg gamedir=${prefix}/var/games/emacs.
4666 dnl Secondly, the GNU Coding standards require that one should be able
4667 dnl to run `make prefix=/some/where/else' and override the values set
4668 dnl by configure. This also explains the `move-if-change' test and
4669 dnl the use of force in the `epaths-force' rule in Makefile.in.
4670 AC_CONFIG_COMMANDS([epaths], [
4671 echo creating src/epaths.h
4672 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force
4673 ], [GCC="$GCC" CPPFLAGS="$CPPFLAGS"])
4675 AC_CONFIG_COMMANDS([gdbinit], [
4676 if test ! -f src/.gdbinit && test -f "$srcdir/src/.gdbinit"; then
4677 echo creating src/.gdbinit
4678 echo "source $srcdir/src/.gdbinit" > src/.gdbinit